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Key Information

Sonoma Raceway (originally known as Sears Point Raceway, Golden State International Raceway and Infineon Raceway) is a road course and dragstrip located at Sears Point in the southern Sonoma Mountains of Sonoma County, California.[1] The road course features 12 turns on a hilly course with 160 ft (49 m) of total elevation change.[2] It is host to one of the few NASCAR races each year that are run on road courses. It has also played host to the IndyCar Series, the NHRA Mission Foods Drag Racing Series, and several other auto races and motorcycle races such as the American Federation of Motorcyclists series. Sonoma Raceway continues to host amateur, or club racing events with some open to the public. The largest such car club is the Sports Car Club of America. The track is 30 mi (48 km) north of San Francisco and Oakland.

With the closure of Riverside International Raceway in Moreno Valley, California to make way for the Moreno Valley Mall after the 1988 racing season, NASCAR wanted a West Coast road course event to replace it, and chose the Sears Point facility. In 2002, Sears Point Raceway was renamed after a corporate sponsor, Infineon Technologies. Infineon did not renew its contract for the track's naming rights when the deal expired in May 2012.[3]

History

[edit]

1968–1979

[edit]

The 2.520 mi (4.056 km) road racing course was constructed on 720 acres (2.9 km2) by Marin County owners Robert Marshall Jr., an attorney from Point Reyes, and land developer Jim Coleman of Kentfield. The two conceived of the idea of a race track while on a hunting trip. Ground was broken in August 1968 and paving of the race surface was completed in November. The first official event at Sears Point was an SCCA Enduro, held on December 1, 1968.

In 1969 the track was sold to Filmways Corp., a Los Angeles-based entertainment company for $4.5 million. In May 1970 the track was closed and became a tax shelter for Filmways after losses of $300,000 were reported. Hugh Harn of Belvedere and Parker Archer of Napa arranged to lease the track from Filmways in 1973. Bob Bondurant, owner and operator of the Bob Bondurant School of High Performance Driving, and partner Bill Benck took over management and control of the leased raceway from Parker Archer and Hugh Harn in 1974. A few years later a group calling itself Black Mountain Inc., which included Bondurant, William J. Kolb of Del Mar and Howard Meister of Newport Beach, purchased the track from Filmways for a reported $1.5 million.

American Motorcycle Association national motocross races in the hills north of Turn 7 became popular with Bay Area fans, but were phased out by the end of the decade because of rising insurance costs.

1980–2000

[edit]

In 1981 Filmways regained ownership of the track after a financial dispute with Black Mountain group. Jack Williams, the 1964 NHRA top-fuel drag racing champion, Rick Betts and John Andersen purchased the track from Filmways at an auction for $800,000. The track was renamed Sears Point International Raceway. In 1985 the track was completely repaved, in part with funds donated from the "Pave the Point" fund raising campaign. The first shop spaces (buildings A, B, C, and D in the main paddock area) were built.

Tony Stewart at Infineon in 2005

In 1986 Harvey "Skip" Berg of Tiburon, CA took control of the track and became a major stockholder in Brenda Raceway Corp., which controlled the track until 1996. Additional buildings constructed on the property brought shop space to more than 700,000 sq ft (65,000 m2) during 1987. In addition, a five-year contract was signed with the National Hot Rod Association for the California Nationals. The NASCAR Winston Cup Series debuted at the raceway in 1989.

In 1994 more than $1 million was spent on a beautification project and construction of a 62 ft (19 m)-high, four-sided electronic lap leader board in the center of the road course. In the following years a major $3 million renovation plan included VIP suites and a two-story driver's lounge/emergency medical facility. In 1995 Trans-Am and SportsCar races returned to Sears Point and the NASCAR Craftsman Truck Series was added to the major-events schedule. Owner "Skip" Berg sold the track to O. Bruton Smith, chairman of Speedway Motorsports, Inc. in November 1996.

NASCAR Nextel Cup Series race cars at Sonoma Raceway in June 2005

Major renovations began at Sears Point Raceway in 1998 with the creation of "the Chute", an 890 ft (270 m) high-speed stretch. The first-ever running of the American Le Mans Series took place at Sears Point in July 1999. In 2000 Sears Point Raceway gained unanimous approval from the Sonoma County Board of Supervisors by a 5–0 vote to begin work on a $35 million Modernization Plan that included 64,000 Hillside Terrace seats, repaving of both the road course and drag strip and increased run-off around the entire track.

Since 2000

[edit]
Sonoma Raceway Back Side of NASCAR track, 2005

After the turn of the millennium, Infineon Technologies bought the naming rights, and on June 22, 2002, the course was renamed Infineon Raceway. In 2006, the Grand Prix of Sonoma was transferred to the Rolex Sports Car Series, who would limit it to Daytona Prototypes only for 2007–2008 before the event was discontinued altogether. Since 2010, however, the course has seen a mild resurgence, with the circuit becoming a sponsor for various events as well as hosting an increasing amount of lesser series, including the WTCC and the return of the SCCA World Challenge. The year 2012 saw the end of Infineon as the corporate sponsor, with the track being renamed Sonoma Raceway.

Layouts

[edit]

Full circuit

[edit]
Pit road at Infineon in 2005

The standard, full length road course at Sonoma Raceway is a 2.520 mi (4.056 km) 12-turn course. This course was utilized by all competition through 1997. Most races, including the Grand Prix of Sonoma, use the full course. The course is noted for turns two and three, which are negative-camber ("off-camber") turns, with the inside of the turn higher than the outside. This provides a challenge for the driver, as turn two would normally have the drivers moving to the left side of the track.

The raceway also has a 440 yd (400 m) dragstrip used for NHRA drag racing events. The drag strip was originally located on part of the front straightaway of the course. Track changes completed in 2002 separated the road course from the drag strip.[4]

The Sonoma Historic Motorsports Festival, an annual classic car racing event, uses the full circuit.

NASCAR returned to using the full circuit in 2019 as a part of the tracks 50th anniversary.[5] The full circuit was used in 2019 & 2021 (event was cancelled in 2020 due to the pandemic), but in 2022 they will return to the modified layout instead of running the original.

The track was closed in 2020 because of government regulations as a result of the COVID-19 pandemic. All national events were removed from the schedule.

The Chute

[edit]

The track was modified in 1998,[6] adding the Chute, which bypassed turns 5 and 6 (the Carousel), shortening the course to 1.949 mi (3.137 km). The Chute was only used for NASCAR events such as the Toyota/Save Mart 350, and was criticized by many drivers, who prefer the full layout. In 2001, it was replaced with the 70° turn, 4A bringing the track to its current dimensions of 1.990 mi (3.203 km).[7]

The Chute was built primarily for spectator visibility, to increase speeds, and improve competition for the stock cars, which are not necessarily groomed well for road course racing. However, it has been criticized for taking away a primary passing point, and some INDYCAR drivers believe eliminating the Chute and replacing it with a new hairpin at Turn 4A, then rejoining the track at Turn 5, would create a circuit with three passing zones (Turn 4, Turn 7, and Turn 11). Furthermore, the speeds of the current layout with the Chute have been slower than if the full configuration was used.

The layout is now used as a Club circuit with options, as at the end of 2018 season, NASCAR returned to the full circuit in 2019. In 2022, NASCAR returned to the Chute layout.[8][5]

Gilligan's Island

[edit]

From 1989 to 2001, the pit road could only accommodate 34 pit stalls. So, during the Toyota/Save Mart 350 Cup Series race, some teams were required to share pit stalls while other teams were forced to pit inside the garage area. When cars dropped out of the race, their pit stalls were reassigned to cars who were sharing.

Before the 1994 NASCAR race, a makeshift auxiliary pit road was constructed inside the hairpin (turn 11) nicknamed Gilligan's Island. Cars that had the nine slowest qualifying speeds were relegated to these pit stalls. Pitting in this area was considered an inconvenience and a competitive disadvantage, more so than even the disadvantages one would experience pitting on the backstretch at a short track at the time.[9]

Since the length of the auxiliary pit road was significantly shorter than the main pit road, the cars that pitted there were held from 15 to 20 seconds to make up for the time that would have been spent if the cars had traveled the entire main pit road.[10]

Pitting on Gilligan's Island had several other inconveniences. The location (the staging area for drag races) was landlocked by the race course, and crew members were unable to leave once the race began. Teams sent only the primary pit crew to Gilligan's Island, and once they were there, they could not access the garage area or their transporters to collect spare parts/tools. The only repairs that could be made were routine tire changes and refueling, as well as only minor repairs. Other auxiliary pit crew members, who were not part of the main crew, were staged in the garage area, and would have to service the car if it required major repairs. If a team pitting on Gilligan's Island dropped out of the race, the crew was unable to pack up their supplies and prepare to leave (a common practice at other tracks) until the race was over.

Before the 2002 NASCAR track renovations were completed which extended the main pit road, up to the start-finish straight, which removed the need for Gilligan's Island and it has not reappeared in any NASCAR race at the track since.

Modified course

[edit]

Variations of Sonoma's circuits are often used. Motorcycles use a 2.320 mi (3.734 km), 12-turn course. It is based on the full layout, and does not include the Chute. This layout, opened in 2003, skips the later section of the Esses (8A and 9) and the run from Turn 10 to Turn 11 (the hairpin), using instead Turn 11a as Turn 11 has no runoff. This hairpin is located just past the drag strip control tower and offers a fairly straight run to the start-finish line. It was used by INDYCAR from 2006 to 2011.

Another factor in removing the hairpin is the fact that the turn is only visible from the garages or the bleachers behind the esses. This is due to grandstands built along the front straight that serve also as the drag strip's grandstands.

The official FIA Grade 2 variant, the Grand Prix layout, was used by INDYCAR from 2012 to 2018 and others. This version uses the end of the dragstrip (instead of the Keyhole) to create a Magny Cours-style hairpin that joints the drag strip to Turn 7 to open an overtaking opportunity. The circuit also modified Turn 9A (the chicane similar to Spa's new Bus Stop) by widening it by 10 ft (3.0 m) to allow for more room. A new Turn 11B has been made, moving further past the drag strip tower (Motorcycle Turn 11), being lengthened by 200 ft (61 m) to create a passing zone (it is located just before the race logos painted in Turn 11), and is located where the drag strip staging area is located.

During the World Touring Car races, the course used most of the Grand Prix layout except for the full Turn 11 hairpin.

Layout configurations

[edit]
  • Club Circuit (2001–present)
    Club Circuit (2001–present)
  • Long Circuit (2002–present)
    Long Circuit (2002–present)
  • IndyCar Circuit (2005–2007)
    IndyCar Circuit (2005–2007)
  • WTCC Circuit (2012–present)
    WTCC Circuit (2012–present)
  • IndyCar Circuit (2012–present)
    IndyCar Circuit (2012–present)

Events

[edit]
Current
Former

All-time track records

[edit]
Driver Car Date Speed Time Layout
Formula One (Unofficial) Spain Marc Gene Ferrari F2004 May 7, 2019 1:21.004 4.05 km (Full)[11][12][13]
Fastest qualifying lap United Kingdom Allan McNish Audi R8 July 23, 2000 1:20.683 4.05 km (Full)
Fastest racing lap (Official) Germany Marco Werner Audi R8 July 17, 2005 110.641 mph (178.06 km/h) 1:22.041 4.05 km (Full)
Trans-Am qualifying United States Brian Simo Qvale Mangusta July 22, 2001 1:35.727 4.05 km (Full)
NASCAR qualifying United States Kyle Larson Chevrolet Camaro June 22, 2019 95.901 mph (154.34 km/h) 1:34.598 4.05 km (Full)
NASCAR race United States William Byron Chevrolet Camaro June 23, 2019 93.339 mph (150.21 km/h) 1:37.194 4.05 km (Full)
IndyCar qualifying United States Josef Newgarden Dallara DW12-Chevrolet September 16, 2017 113.691 mph (182.97 km/h) 1:15.5205 3.838 km (Indy)[14]
IndyCar race France Simon Pagenaud Dallara DW12-Chevrolet September 17, 2017 109.575 mph (176.34 km/h) 1:18:3576 3.838 km (Indy)[15]
WTCC qualifying Switzerland Alain Menu Chevrolet Cruze 1.6T September 22, 2012 86.206 mph (138.74 km/h) 1:45.235 4.032 km (WTCC)
WTCC race Portugal Tiago Monteiro Honda Civic WTCC September 10, 2013 84.206 mph (135.52 km/h) 1:46.905 4.032 km (WTCC)
AMA Pro Superbike United States Ben Spies Suzuki GSXR-1000 May 17, 2008 1:34.731 3.57 km (Motorcycle)
Pirelli World Challenge GTS Race United States Jack Baldwin Porsche Cayman S PWC August 23, 2013 69.583 mph (111.98 km/h) 1:42.558 km (PWC)
Electric Vehicle Track Record United States Matt Cresci Tesla Model 3 Performance June 26, 2022 84.968 mph

(136.76 km/h)

1:46.769 4.05 km (Full)
Formula One (Unofficial) Mexico Esteban Gutiérrez Mercedes F1 W07 Hybrid 27 September 2019 113.827 mph (183.187 km/h) 1:15.430 3.838 km[17]

NOTE: NASCAR records based on full course.

NASCAR Cup Series records

[edit]
Jeff Gordon at the 2005 race

(As of June 12, 2023)

Most wins 5 Jeff Gordon
Most top-5s 14 Jeff Gordon
Most top-10s 18 Jeff Gordon
Most starts 22 Jeff Gordon
Most poles 5 Jeff Gordon
Kyle Larson
Most laps completed 2,390 Kevin Harvick
Most laps led 457 Jeff Gordon
Avg. start (active) 3.7 Kyle Larson
Avg. finish (active) 12.1 Chase Elliott
Source:[18]

Drag strip records

[edit]
Category E.T. Speed Driver Event Ref
Top Fuel 3.645 Brittany Force 2025 Denso NHRA Sonoma Nationals presented by PowerEdge [19]
343.16 mph (552.26 km/h) Brittany Force 2025 Denso NHRA Sonoma Nationals presented by PowerEdge
Funny Car 3.807 Robert Hight 2017 Toyota NHRA Sonoma Nationals
339.87 mph (546.97 km/h) Robert Hight 2017 Toyota NHRA Sonoma Nationals
Pro Stock 6.472 Greg Anderson 2025 Denso NHRA Sonoma Nationals presented by PowerEdge
213.00 mph (342.79 km/h) Shane Gray 2015 NHRA Sonoma Nationals
Pro Stock Motorcycle 6.655 Matt Smith 2024 DENSO NHRA Sonoma Nationals
205.04 mph (329.98 km/h) Matt Smith 2021 NHRA Sonoma Nationals

Race lap records

[edit]

The fastest official all-time track record set during a race weekend on the original Long Grand Prix Road Course is 1:20.683, set by Allan McNish in an Audi R8 during qualifying for the 2000 Grand Prix of Sonoma.[20] As of April 2025, the fastest official race lap records at Sonoma Raceway for different classes are listed as:

Category Time Driver Vehicle Event
Grand Prix Circuit: 4.056 km (2002–present)[21][22]
LMP1 1:22.041[23] Marco Werner Audi R8 2005 Grand Prix of Sonoma
LMP675 1:24.229[24] James Weaver MG-Lola EX257 2003 Grand Prix of Sonoma
LMP2 1:26.349[23] Clint Field Lola B05/40 2005 Grand Prix of Sonoma
Daytona Prototype 1:27.051[25] Max Angelelli Dallara DP01 2008 Armed Forces 250
GT1 (GTS) 1:28.934[23] Oliver Gavin Chevrolet Corvette C6.R 2005 Grand Prix of Sonoma
TA1 1:31.242[26] Chris Dyson Ford Mustang Trans-Am 2025 Sonoma Trans-Am round
TA2 1:34.298[27] Brent Crews Toyota Camry Trans-Am 2025 Sonoma Trans-Am round
GT2 1:35.112[23] Timo Bernhard Porsche 911 (996) GT3-RSR 2005 Grand Prix of Sonoma
GT3 1:37.099[28] Daniel Morad Mercedes-AMG GT3 Evo 2023 Sonoma GT World Challenge America round
NASCAR Cup 1:37.194[29] William Byron Chevrolet Camaro ZL1 2019 Toyota/Save Mart 350
GT4 1:46.124[30] Stevan McAleer Porsche 718 Cayman GT4 RS Clubsport 2022 Sonoma GT4 America round
TCR Touring Car 1:49.023[31] Tyler Maxson Hyundai Veloster N TCR 2020 Sonoma TC America round
Toyota GR Cup 1:54.637[32] Spike Kohlbecker Toyota GR86 2023 Sonoma Toyota GR Cup North America round
Alternative Long Circuit: 4.077 km (2002–present)[21]
Ferrari Challenge 1:31.357[33] Roberto Perrina Ferrari 296 Challenge 2025 Sonoma Ferrari Challenge North America round
GT3 1:32.119[34] Colin Braun Mercedes-AMG GT3 Evo 2024 Sonoma GT World Challenge America round
SRO GT2 1:39.946[35] Brent Holden Mercedes-AMG GT2 2024 Sonoma GT America round
GT4 1:41.208[36] Matheus Leist Mercedes-AMG GT4 2024 Sonoma GT4 America round
Porsche Carrera Cup 1:42.384[37][38] James Sofronas Porsche 911 (992) GT3 Cup 2023 Sonoma Porsche Sprint Challenge USA West round
Toyota GR Cup 1:50.650[39] Gresham Wagner Toyota GR86 2024 Sonoma Toyota GR Cup North America round
WTCC Circuit: 4.032 km (2012–present)[21]
Auto GP 1:27.691[40] Daniël de Jong Lola B05/52 2012 Sonoma Auto GP round
GT3 1:33.847[41] Colin Braun Mercedes-AMG GT3 Evo 2025 Sonoma GT World Challenge America round
McLaren Trophy 1:38.695[42] Jeff Cook McLaren Artura Trophy 2025 Sonoma McLaren Trophy America round
Ferrari Challenge 1:41.549[43] Cooper MacNeil Ferrari 488 Challenge Evo 2021 Sonoma Ferrari Challenge North America round
GT4 1:42.443[44] Matheus Leist Porsche 718 Cayman GT4 RS Clubsport 2025 Sonoma GT4 America round
Super 2000 1:46.905 Tiago Monteiro Honda Civic WTCC 2013 FIA WTCC Race of the United States
Toyota GR Cup 1:51.668[45] Ethan Goulart Toyota GR86 2025 Sonoma Toyota GR Cup North America round
IndyCar Circuit: 3.838 km (2012–present)[21]
IndyCar 1:18:3576 Simon Pagenaud Dallara DW12 2017 GoPro Grand Prix of Sonoma
Indy Lights 1:28.9075[46] Jack Harvey Dallara IPS 2014 Grand Prix of Sonoma
Pro Mazda 1:33.5571[47] Scott Hargrove Star Formula Mazda 'Pro' 2014 Sonoma Pro Mazda round
US F2000 1:35.7970[48] Florian Latorre Van Diemen DP08 2014 Sonoma US F2000 round
Porsche Carrera Cup 1:38.035[49] Will Hardeman Porsche 911 (991 II) GT3 Cup 2017 Sonoma Porsche GT3 Cup Challenge USA round
Club Circuit/NASCAR Road Course: 3.203 km (2002–present)[21]
NASCAR Cup 1:13.629[50] Kyle Larson Chevrolet Camaro ZL1 2024 Toyota/Save Mart 350
NASCAR Xfinity 1:16.384[51] Ty Gibbs Toyota Supra NASCAR 2024 Zip Buy Now, Pay Later 250
ARCA Menards 1:17.927[52] William Sawalich Toyota Camry 2024 General Tire 200
NASCAR Truck Series 1:20.043[53] Kyle Busch Toyota Tundra 2022 DoorDash 250
Alternative Motorcycle Circuit: 3.701 km (2008–present)[21]
Superbike 1:35.067[54] Cameron Beaubier Yamaha YZF-R1 2018 Sonoma MotoAmerica round
Supersport 1:37.150[55] Garrett Gerloff Yamaha YZF-R6 2017 Sonoma MotoAmerica round
IndyCar Circuit: 3.706 km (2008–2011)[21]
IndyCar 1:18.6320[56] Hélio Castroneves Dallara IR-05 2008 Peak Antifreeze Indy Grand Prix
Indy Lights 1:24.9443[57] Jean-Karl Vernay Dallara IPS 2010 Carneros 100
Star Mazda 1:29.877[58] Tristan Vautier Star Formula Mazda 'Pro' 2011 Sonoma Star Mazda round
IndyCar Circuit: 3.838 km (2005–2007)[21]
IndyCar 1:17.5524[59] Tony Kanaan Dallara IR-05 2007 Motorola Indy 300
Indy Lights 1:24.688[60] Richard Antinucci Dallara IPS 2007 Valley of the Moon 100
Star Mazda 1:30.095[61] Raphael Matos Star Formula Mazda 'Pro' 2005 Sonoma Star Mazda round
Long Circuit: 4.056 km (1998–2001)[21]
LMP900 1:22.863[62] Allan McNish Audi R8 2000 Grand Prix of Sonoma
GT2 (GTS) 1:32.384[63] Olivier Beretta Dodge Viper GTS-R 1999 Grand Prix of Sonoma
GT 1:34.614[64] Bill Auberlen BMW M3 GTR 2001 Grand Prix of Sonoma
NASCAR Circuit: 3.137 km (1998–2001)[21]
NASCAR Truck Series 1:14.842[65] Boris Said Ford F-150 1998 Kragen/Exide 151
Original Long Circuit: 4.060 km (1968–1997)[21]
IMSA GTP 1:25.057[66] Geoff Brabham Nissan NPT-90 1990 Sears Point 300 Kilometers
Can-Am 1:25.810[67] Jacques Villeneuve, Sr. Frissbee GR3 1983 Sears Point Can-Am round
WSC 1:27.411[68] Didier Theys Ferrari 333 SP 1996 California Grand Prix
Formula Atlantic 1:29.510[69] Michael Andretti Ralt RT4 1983 Sears Point Formula Atlantic round
IMSA GTP Lights 1:31.213[66] Dan Marvin Spice SE90P 1990 Sears Point 300 Kilometers
IMSA GTS-1 1:35.156[70] Darin Brassfield Oldsmobile Cutlass Supreme 1995 Apple Computer Inc. California Grand Prix
IMSA GTO 1:35.514[71] Hans-Joachim Stuck Audi 90 Quattro 1989 Sears Point 200 km
GT1 (Prototype) 1:35.589[72] Doc Bundy Panoz Esperante GTR-1 1997 California Grand Prix Sears Point
IMSA GTX 1:35.710[73] Brian Redman Lola T600 1981 Datsun Camel GT Sears Point
F5000 1:37.200[74] Ron Grable Lola T190 1970 Continental 49'er Trophy
IMSA GTU 1:39.357[75] Dorsey Schroeder Dodge Daytona 1988 Lincoln-Mercury California Grand Prix
Group 5 1:40.640[76] David Hobbs BMW 320i Turbo 1977 Executive Motorhome Challenge Series Sears Point
IMSA GTS-2 1:41.606[77] Bill Auberlen Mazda RX-7 1995 Apple Computer Inc. California Grand Prix
Pickup truck racing 1:42.459[78] Dave Rezendes Chevrolet C/K 1997 Kragen/Exide 151
Group 4 1:42.590[73] Dennis Aase BMW M1 1981 Datsun Camel GT Sears Point
IMSA Supercar 1:50.745[79] Shawn Hendricks BMW M5 (E34) 1995 Sears Point IMSA Bridgestone Supercar round

Seating capacity

[edit]
The view from the upper main grandstand at the finish line at Sonoma Raceway

Sonoma Raceway has a permanent seating capacity of 47,000.[80] This includes the grandstands and terraces around the track. During major races, hospitality tents and other stages are erected around the track, which brings the total capacity up to 102,000 seats. The facility underwent a major expansion in 2004 which resulted in 64,000 hillside seats, 10,000 permanent grandstand seats, a wastewater treatment facility, 100 acres (40 ha) of restored wetlands, permanent garages, new retail space, a go-kart track and a new drag strip.

Trans-Am Series

[edit]
Year Category One Driver Category One Vehicle Category Two Driver Category Two Vehicle
1969 Mark Donohue Chevrolet Camaro Don Pike Porsche 911
1978 Gene Bothello Chevrolet Corvette Greg Pickett Chevrolet Corvette
1981 Tom Gloy Ford Mustang
1982 Tom Gloy Toyota F150
1983 Willy Ribbs Chevrolet El Cement
1984 Greg Pickett Mercury Capri
1985 Willy Ribbs Mercury Capri
1985 Willy Ribbs Mercury Capri
1985 Elliott Forbes-Robinson Buick Somerset
1986 Wally Dallenbach Jr. Chevrolet Camaro
1986 Wally Dallenbach Jr. Chevrolet Camaro
1986 Wally Dallenbach Jr. Chevrolet Camaro
1987 Scott Pruett Merkur XR4Ti
1988 Willy Ribbs Chevrolet Camaro
1989 Darin Brassfield Chevrolet Corvette
1990 Darin Brassfield Oldsmobile Cutlass
1991 Darin Brassfield Oldsmobile Cutlass
1992 Darin Brassfield Chevrolet Camaro
1993 Scott Sharp Chevrolet Camaro
1995 Dorsey Schroeder Ford Mustang
2001 Brian Simo Qvale Mangusta
[edit]

In the 1970 motorcycle road racing film Little Fauss and Big Halsy, starring Michael J. Pollard and Robert Redford, Redford's character, Halsy, saw Sears Point as the brass ring in the world of racing, and the film was loosely based around that idea.[citation needed]

Sonoma has been featured in many racing video games, beginning with Papyrus's NASCAR Racing for the PC, released in 1994 and has been a frequent addition to NASCAR based games and more recently road course variations have appeared. Bill Elliott's NASCAR Challenge included the course released in 1991. It appeared in Gran Turismo 4, and Need For Speed ProStreet as Infineon Raceway, and more recently in Project CARS 2 and recent Forza Motorsport titles. It has also been digitally scanned and used in iRacing.

Scenes from a Toyota/Save Mart 350 NASCAR race were used in the softcore porn series Hotel Erotica in Season 1 Episode 3 The Fast and the Curious[81]

See also

[edit]

Notes

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Sonoma Raceway

View on Grokipedia
from Grokipedia
Sonoma Raceway is a premier motorsports complex in , featuring a challenging 2.52-mile, 12-turn road course and an NHRA-sanctioned quarter-mile dragstrip, situated on approximately 1,600 acres about one hour north of in Sonoma County. Originally constructed in 1968 as Sears Point Raceway by Marin County developers Robert Marshall Jr. and Jim Coleman on 720 acres in the southern Sonoma Mountains, the facility quickly became a hub for and drag events. It underwent name changes to Infineon Raceway in 2002 for sponsorship reasons and to its current name, Sonoma Raceway, in 2012 to better reflect its regional identity and appeal. Ownership transitioned in 1996 when , Inc., founded by O. , acquired the track from previous owner Skip Berg, leading to significant upgrades including modernized facilities and expanded event capabilities. The raceway is renowned for hosting the only NASCAR-sanctioned events in , including the annual race since 1989, which draws crowds to its undulating layout with over 160 feet of elevation change and tight turns that test drivers' skills. It also features major NHRA events, such as the Sonoma Nationals since 1988, along with Grand Prix races starting in 2005, sports car competitions, and specialty series like the and . Nestled in California's renowned , Sonoma Raceway combines high-speed action with scenic beauty, attracting over 100,000 spectators annually and serving as a versatile venue for corporate events, driving schools, and community gatherings.

General Information

Location and Facilities

Sonoma Raceway is situated at Sears Point in the southern Sonoma Mountains of , about one hour north of along State Route 37. The 1,600-acre facility is located at coordinates 38°09′39″N 122°27′18″W, with the track's lowest point at an elevation of approximately 14 feet (4 m) above . The venue's core facilities encompass a 2.52-mile (4.06 km) road course with 12 turns, a 1/4-mile NHRA-sanctioned , and a 1/8-mile option for shorter races. It also includes a dedicated track at the Karting Center, an off-road dirt course for and similar events, and multiple camping areas such as the 50-acre Campground and RV Terrace. Integrated into the hilly natural terrain, the raceway features 160 feet (49 m) of total elevation change across its road course, from a high of 174 feet (53 m) at Turn 3a to the lowest point near Turn 10. Its location near the wine country offers picturesque vineyard views and positions the site as a blend of and regional . In 2025, Sonoma Raceway maintains year-round operations, accommodating professional racing events, private vehicle testing, and corporate functions like team-building rides on the road course.

Ownership and Naming History

Sonoma Raceway was established in 1968 as Sears Point Raceway by developers Robert Marshall Jr. and Jim Coleman on approximately 720 acres of land in , with the name derived from the adjacent Sears Point Ranch, originally settled by Franklin Sears in the mid-19th century. Groundbreaking occurred on August 14, 1968, and the first event, an SCCA Enduro, took place on December 1 of that year. In 1969, the track was sold to Corp. for $4.5 million, marking the first major ownership transition; Filmways leased operations to Hugh Harm and Parker Archer in 1973 before selling the property in 1975 to Black Mountain Inc., a group that included driving instructor , for $1.5 million. Ownership continued to shift in the early amid financial challenges, with regaining control and auctioning the facility in to a led by Jack Williams, Rick Betts, and John Andersen for $800,000; that year, the track was briefly renamed Golden State International Raceway. By 1986, Harvey "Skip" Berg assumed control through Brenda Raceway Corp., stabilizing operations under the Sears Point Raceway name, which had been restored post-. In November 1996, Berg sold operational rights to O. , founder of , Inc. (SMI), initiating significant investments; SMI completed the full acquisition of the property, including 800 acres and structures, in 1998. Corporate sponsorship played a pivotal role in the venue's branding and development, particularly with the 2002 naming rights deal with , it as Infineon Raceway for a decade and funding extensive modernization efforts unveiled on June 22, 2002, such as improved facilities and safety enhancements. The sponsorship concluded in 2012, after which the track adopted its current name, Sonoma Raceway, to emphasize its regional identity. SMI, which has owned and operated the facility since the late , went private in through a merger with Sonic Financial Corp., a transaction controlled by the Smith family, ensuring continued focus on motorsports promotion without public shareholder influence.

Historical Development

Founding and Early Operations (1968–1979)

Sonoma Raceway, originally named Sears Point Raceway, was established in 1968 on 720 acres of rolling terrain in the Sonoma Mountains of . The project was spearheaded by local attorney Robert Marshall Jr. from and land developer Jim Coleman from Kentfield, who envisioned a premier venue to serve the San Francisco Bay Area's growing community. Groundbreaking occurred on August 14, 1968, with construction focusing on a challenging road course and supporting facilities; paving was completed by November of that year. The initial layout featured a 2.52-mile, 12-turn road course designed to test drivers with elevation changes and tight corners, complemented by a quarter-mile for diverse formats. The track officially opened on December 1, 1968, hosting its inaugural event: an SCCA Enduro race that drew enthusiastic crowds and marked the venue's entry into professional motorsports. Early operations in 1969 expanded rapidly, featuring a mix of high-profile series to build attendance and reputation. Notable events included the first race on September 21, 1969, where piloted a Penske-Hilton Racing to victory, solidifying the track's status in . Drag racing debuted with the NHRA San Francisco National Open on March 8–9, 1969, while stock car fans saw the first NASCAR-sanctioned event, the Wiebel 150 Pacific Coast Late Model race on June 8, 1969, won by Ray Elder. SCCA Nationals and other GT-style races further diversified the calendar, attracting competitors and spectators from across the West Coast. By 1970, the venue had hosted a landmark open-wheel event with the USAC Golden Gate Championship 150 on April 4, won by in an Eagle-Offy, highlighting its versatility beyond sports cars. However, early success masked underlying financial pressures; the track accumulated $300,000 in losses by May 1970, leading to a temporary closure as operations proved unsustainable under initial management. Ownership transitions defined the decade's challenges: the facility was sold shortly after opening to Corp., a Los Angeles-based company, for $4.5 million in 1969, primarily as a . It reopened under a 1973 lease to promoters Hugh Harm and Parker Archer, facilitated by Filmways executive Lee Moselle, for $1 million annually. Stability arrived in 1975 when Black Mountain Inc., a group including racing school founder , purchased the property outright for $1.5 million, enabling continued operations through the late 1970s amid ongoing efforts to balance racing programs with fiscal viability.

Expansion and Challenges (1980–2000)

During the 1980s, Sonoma Raceway underwent significant infrastructure improvements to address aging facilities and attract major events. In 1985, the track received its first complete repaving, funded in part by a community-driven "Pave the Point" campaign, which enhanced the racing surface and supported the addition of initial shop spaces in Buildings A through D. These upgrades were crucial as the venue navigated ownership transitions, including a 1981 financial dispute that led Filmways to regain control before selling to a group led by Jack Williams, Betts, and Andersen for $800,000. By 1986, Harvey "Skip" Berg assumed operational control, stabilizing management and paving the way for expanded drag racing activities; a five-year contract with the NHRA was signed in 1987, bringing the California Nationals starting in 1988 and solidifying the quarter-mile dragstrip's role in national events. The late 1980s marked a pivotal for racing milestones, highlighted by the debut of 's Winston Cup Series in 1989 with the inaugural Save Mart 350, won by in a dramatic finish over by just 1.1 seconds. This event drew substantial crowds and elevated the track's profile among stock car fans, while races continued to feature prominently, with events like the 1990 Sears Point 300 Kilometers showcasing prototype and GT cars. The 1990s saw further growth in open-wheel and , as events peaked with the return of the Grand Prix of Sonoma in 1995 alongside races, reflecting the venue's versatility amid a diversifying motorsports calendar. Attendance surged with these developments, reaching 70,000 spectators for the 1991 race and averaging around 80,000 for major events by 2000, bolstered by the track's location in Sonoma's burgeoning , which drew tourists combining with regional experiences. Operational challenges persisted throughout the period, including economic pressures from the and competition for events from nearby venues like , which hosted prominent races and drew similar West Coast audiences. Financial strains culminated in multiple ownership shifts, with Berg selling operational rights in 1996 to O. of , Inc., for an initial agreement that stabilized finances through professional management and event scheduling. This acquisition, followed by the full purchase of the 800-acre property in 1998, enabled targeted investments like a $3 million renovation in 1995 that added VIP suites, a drivers' lounge, and safety enhancements such as improved medical facilities and a 62-foot electronic lap leader board by 1994. These measures not only addressed concerns post-1980s incidents but also positioned the track for sustained growth, culminating in a $90 million modernization plan approved in 2000 to further upgrade grandstands and amenities.

Modern Ownership and Upgrades (2001–present)

In 2001, under the ownership of , Inc. (SMI), Sonoma Raceway launched a $90 million modernization plan that enhanced facilities and operational capabilities, marking a significant in the venue's infrastructure. This initiative laid the groundwork for subsequent developments, including improved spectator amenities and track maintenance. SMI's stewardship continued, with the company taken private in September 2019 through a merger with Sonic Financial Corp., controlled by the Smith family, allowing for streamlined operations while maintaining its role in the ecosystem. Key upgrades during this period focused on , , and . In 2016, the installation of a Panasonic LED scoring pylon and video board introduced advanced real-time timing and graphics capabilities, displaying running order for up to 20 positions and enhancing race monitoring for officials and fans. Safety enhancements included the repurposing of race tires into protective pack barriers around impact zones, a practice that improved driver protection without altering the track's layout. efforts advanced with the addition of approximately 1,700 solar panels, which by 2023 offset 41% of the facility's energy needs through partnerships like one with . In late 2023 and early 2024, the track underwent its first full resurfacing in 23 years, replacing the asphalt to provide better grip and ahead of major events. The COVID-19 pandemic posed significant challenges in 2020, leading to the cancellation of key events such as the and the NHRA Sonoma Nationals, which disrupted operations and revenue streams. Post-2022, the venue adapted by hosting (EV) testing and demonstrations, including the Holley High Voltage Experience, which showcased high-performance EVs on the track and supported the growing integration of sustainable motorsports. For 2025, enhancements to the fan experience include an expanded interactive fan zone with displays and meet-and-greets, complemented by the existing Sonoma Raceway app for real-time updates and navigation. Sonoma Raceway plays a vital economic role in the local community, with events generating substantial revenue; for instance, the 2017 David Love Memorial Road Races contributed $1.9 million in output and supported 26 jobs. Overall, the facility's operations, including corporate events and major races, are estimated to inject over $10 million annually into the Sonoma County economy through tourism, employment, and vendor spending.

Circuit Design and Configurations

Main Road Course Layout

The main road course at Sonoma Raceway measures 2.52 miles (4.06 km) in length and features 12 turns traversed in a direction, incorporating a total change of 160 feet (49 m) across its undulating layout. This configuration blends high-speed straights with a series of technical corners, leveraging the natural contours of the Sonoma Mountains to create a challenging natural terrain road course suitable for diverse racing series, from prototypes to stock cars. The track's design emphasizes flow and momentum, with widths generally at 40 feet in the turns—Turn 1 banked at 3.3 degrees and Turns 4a and 7a at 2.8 degrees—allowing for close-quarters competition while integrating seamlessly with the surrounding hillside environment. The lap begins on the front straight, descending into Turn 1, a sweeping uphill left-hander that initiates the climb toward the track's highest elevation. Turn 2 follows as a right-hand bend leading to a brief plateau and further ascent into Turns 3 and 3a—a quick left downhill into a right-hand uphill crest at 174 feet above the lowest point—before a steep drop into Turn 4, a heavy braking right-hander that starts the flowing section. Turn 5 is a sharp right entry, blind and uphill, feeding into Turns 6 and 6a, undulating sweeping left-handers critical for carrying speed into Turn 7, a right-hand corner that serves as a prime passing opportunity. From Turn 7, the track proceeds through Turns 8 and 8a, quick right-left esses that accelerate drivers toward Turn 9, a high-speed sweeping left where apex speeds peak. Turn 10 tightens as a quick right, demanding heavy braking for Turn 11, the notorious right-hand at the lowest elevation of 14 feet, often site of on-track incidents due to its tightness. The lap concludes with Turn 12, a narrow left-hander that exits onto the front straight. Technical characteristics include an average lap time of approximately 1:20 for top prototypes, as demonstrated by the R8's 1:20.68 in period testing, highlighting the circuit's demands on and balance amid the elevation shifts. The layout's integration of straights up to 60 feet wide in some sections supports , while the overall 2.52-mile perimeter ensures a balanced mix of speed and precision for professional racing.

Alternative Configurations

Sonoma Raceway features several alternative configurations of its primary 2.52-mile road course to accommodate different racing series, safety requirements, and event types. These variations modify the standard 12-turn layout by introducing shortcuts, chicanes, or separate tracks, allowing for optimized racing dynamics and increased passing opportunities. One prominent alternative is the Chute configuration, a 1.99-mile (3.20 km) layout introduced in 1998 that bypasses Turns 5 and 6 (the Carousel) via an 890-foot (271 m) high-speed straight connecting the exit of Turn 4 to the entry of Turn 7. This oval-like section creates a faster, more compact course primarily used for NASCAR events, enabling higher average speeds and more laps per race—typically 110 laps for the Cup Series compared to 90 on the full course. The Chute shortens the track by approximately 0.53 miles, reducing lap times by around 20 seconds for stock cars and enhancing overtaking zones at the entry to Turn 7. It was employed consistently for NASCAR races from 1998 through 2018 and returned in 2022 for similar reasons, including improved fan viewing and race strategy. The National Course, measuring about 2.3 miles (3.7 km) with 17 turns, incorporates a added in 2003 to bypass the high-speed Esses (Turns 8A, 9, and 10), replacing them with a slower Turn 11a for better control. This modification, which widens the Turn 9A by 10 feet, is utilized for most non-NASCAR car and events to mitigate risks on the downhill section while preserving the track's challenging elevation changes exceeding 160 feet. It provides a balance between the full course's technical demands and safer braking zones, supporting series like sports cars and . For open-wheel racing, particularly , the track underwent targeted adjustments in 2012 to enhance safety and competition, including a tightened at Turn 7, an opened at Turn 9, and new curbs at the Turn 11 exit to reduce sliding incidents. These changes, tested with series drivers, shortened the layout slightly to 2.31 miles and were implemented for the Grand Prix of Sonoma through 2015, prioritizing overtaking without major reconfiguration. A secondary pit area known as , located inside the Turn 11 , was also used from 1994 to 2002 for overflow stalls but integrated into broader safety setups during eras. Beyond major series, Sonoma Raceway includes a dedicated karting established in 2001 as part of facility upgrades, featuring a 1.2 km (0.75-mile) technical circuit with multiple corner configurations for novice to expert drivers. This separate track, equipped with electric karts, hosts regional events like the ROK Sonoma series and corporate experiences, emphasizing skill development on a scaled-down version of the main course's hilly terrain. Temporary layouts are frequently set up for drifting events, such as the annual Winter Jam, which utilizes infield areas like the Turn 7 runoff and paddock for custom courses with donuts, tandems, and side-by-side runs. These non-permanent setups, often spanning 4-10 p.m. sessions, adapt sections of the road course and environs to suit drifting's controlled slides, accommodating all skill levels without altering the permanent infrastructure. These configurations are tailored to specific series' needs, with favoring NASCAR's pack racing style through increased lap frequency, while chicanes and shortenings in the National and layouts prioritize safety on the track's 160-foot elevation profile. Such adaptations ensure versatility across motorsports, from high-speed stock cars to precise drifting maneuvers.

Dragstrip and Additional Tracks

Sonoma Raceway features a quarter-mile that is NHRA-sanctioned and hosts professional events, including the NHRA Drag Racing Series. The facility supports both quarter-mile and eighth-mile racing configurations, with electronic timing systems for precise . Water is used to cool the lanes during burnout procedures to ensure optimal traction for competitors. The is integrated into the overall complex, running parallel to course's Turns 1 and 2, allowing for efficient use of the 1,600-acre site. It includes a substantial shutdown area to accommodate high-speed s safely, adhering to NHRA safety standards. Beyond the , Sonoma Raceway offers a professional karting center with a three-quarter-mile, 16-turn circuit designed for both novice and experienced drivers. The karting facility, equipped with state-of-the-art, race-prepared karts, supports open practice sessions, schools, and corporate events, with programs available for participants as young as 13 years old meeting height and weight requirements. A junior karting option is incorporated through introductory classes focused on fundamentals like racing lines and control.

Racing Events

NASCAR and Stock Car Racing

Sonoma Raceway hosted its inaugural NASCAR Cup Series race on June 11, 1989, known as the Banquet Frozen Foods 300, which was won by Ricky Rudd after leading 64 of the 71 laps on the 2.52-mile full road course layout. The event marked NASCAR's introduction to the venue's challenging turns, drawing stock car racing to a circuit traditionally dominated by sports cars and open-wheel series. Since then, the Cup Series has returned annually, with the race adopting the name Save Mart 350 starting in 1992 through a sponsorship with The Save Mart Companies, and later becoming the Toyota/Save Mart 350 in 2007. Support series expanded in the 1990s with the NASCAR Craftsman Truck Series debuting in 1995, won by Ron Hornaday Jr., and running through 1998, while the NASCAR Xfinity Series (formerly Busch Series) joined in 2023 with the DoorDash 250, won by Aric Almirola. To accommodate stock cars, Sonoma Raceway introduced configuration in 1998, a 1.99-mile shortened layout bypassing Turns 5 through 7 for a straightaway that enhances passing opportunities and increases lap counts to around 110 for the race distance of 218.9 miles. This adaptation, used consistently until 2019 and reinstated in 2022, addresses the road course's tight corners and elevation changes, which demand specialized skills from drivers often termed "road course ringers"—temporary crew additions with rally or expertise to navigate the 11-turn course effectively. The layout's emphasis on braking zones and apex precision contrasts with tracks, making Sonoma one of only two road courses on the schedule alongside Watkins . Notable highlights include Jeff Gordon's record five victories (1998, 1999, 2000, 2004, 2006), including a from 1998 to 2000, where he led a total of 457 laps across his 24 starts and earned five poles. The 2025 , held on July 13 using and won by who led 97 of the 110 laps, featured enhanced fan zones with interactive displays, driver meet-and-greets, and expanded entertainment to elevate the spectator experience. These events underscore Sonoma's significance as a test of versatility in , with road course lap records set by drivers like in qualifying. The weekends at Sonoma Raceway attract over 90,000 fans across three days under full capacity, significantly boosting local through increased spending on lodging, dining, and attractions. The 2024 event alone contributed millions to the Sonoma County economy, supporting jobs in and transportation while highlighting the venue's role in regional development.

Open-Wheel and Sports Car Events

Sonoma Raceway has hosted open-wheel racing events as part of the , with the Grand Prix of Sonoma serving as a key fixture from 2005 to 2018, often as the . The event marked the return of major open-wheel racing to the venue after a 35-year hiatus since the last USAC Championship Car race in 1970. The race utilized the full 2.52-mile, 12-turn road course configuration, contested over 85 laps for a total distance of approximately 214 miles. In 2012, the track layout was modified specifically for IndyCar events with adjustments to Turns 7, 9, and 11 to enhance passing opportunities, slightly lengthening the lap to approximately 2.31 miles. Notable victories include those by of in 2010, 2011, and 2013, where he demonstrated mastery of the circuit's elevation changes and tight corners. also secured multiple wins, including in 2007, 2014, and 2015, highlighting the track's role in deciding championships. Sports car racing at Sonoma Raceway dates back to the under the International Motor Sports Association (), with the first event held on July 24-25, 1976. The venue has since become a staple for the WeatherTech SportsCar Championship, featuring prototypes and Grand Touring classes on the full road course layout for endurance-style races that test vehicle durability and driver skill over extended sessions. These events emphasize the track's challenging , including the 160-foot change, for high-stakes among GT3 and GTP machinery. IndyCar and IMSA teams adapt high-downforce aerodynamic setups to navigate Sonoma's 11 right-hand turns and single left, generating grip for the esses and while managing tire wear on the undulating surface. Qualifying speeds typically range from 110 to 120 mph, reflecting the balance between speed and control required on this technical circuit.

Other Motorsports and Non-Racing Activities

Sonoma Raceway has hosted the NHRA Sonoma Nationals annually since its inception on July 31, 1988, when Joe Amato won the class at the then-Sears Point Raceway. The event features a wide range of NHRA classes, from professional categories like , , and to amateur Sportsman divisions, attracting competitors and spectators to the 300-foot-wide . In the 2025 edition, held July 25-27, driver set a national record elapsed time of 3.645 seconds during qualifying, and won the class, underscoring the venue's role in advancing performance benchmarks. The facility supports grassroots motorsports through numerous club and amateur events organized by groups such as the Sports Car Club of America (SCCA) and the (). SCCA-sanctioned road races and time trials occur regularly, providing competitive outlets for club racers on the 2.52-mile road course. NorCal Region hosts High Performance Driving Education (HPDE) sessions and regional races multiple times a year, including events like the October 11-12, 2025, double-regional at Sonoma, emphasizing skill development in a controlled environment. Driver education programs, including the on-site racing school and teen safe driving initiatives, offer instructional track time for novices and young drivers to build safe handling skills. Vintage racing is prominent, with events like the CSRG David Love Vintage Races in and the SVRA Sonoma SpeedTour in September, featuring historic vehicles from the Brass Era to modern classics competing in non-championship formats. Beyond competition, Sonoma Raceway facilitates non-racing activities that leverage its facilities and scenic location in Sonoma . Corporate groups can arrange customized experiences, such as exotic car laps or team-building sessions on the road course and , to foster . The venue has served as a filming location for media productions, including a 2024 episode of the Destination Channel's "" series that showcased behind-the-scenes motorsports content. Integration with local tourism includes events like the Velocity Invitational in June, which pairs luxury motorsports displays with gourmet food pairings and wine tastings, highlighting the track's proximity to Sonoma's renowned vineyards.

Performance Records

Overall Lap Records

The fastest lap on Sonoma Raceway's full 2.52-mile (4.05 km) road course configuration is 1:15.521, set by driving a Chevrolet for during the Grand Prix of Sonoma. This time, verified by official timing data, represents the absolute benchmark for open-wheel on the track and highlights the impact of refined aerodynamic packages and high-grip compounds developed in the . In prototype racing, the record for the full course stands at 1:17.100, achieved in the 2023 WeatherTech SportsCar Championship. IMSA's official results confirm this lap from qualifying, underscoring the efficiency of hybrid powertrains and advanced in the GTP class, which allow for sustained high speeds through the track's changes and tight corners. Sonoma Raceway's alternative layouts, such as the 1.99-mile (3.20 km) configuration used for events, feature distinct records tailored to stock car dynamics. The fastest lap on this shorter course was recorded during the 2022 in the , with official data attributing the time to optimized suspension setups and tire management for the layout's high-speed straight and esses section. Lap times at Sonoma have shown marked progression since the track's debut in , with early 1970s events in series like SCCA Trans-Am and initial GT races posting times over 1:30 for comparable vehicles due to rudimentary , narrower tires, and less powerful engines. Official records from sanctioning bodies illustrate how subsequent decades of — including wider rubber compounds, , and —have shaved seconds off benchmarks while maintaining the circuit's demanding 160-foot elevation variance.

Series-Specific Records

In the NASCAR Cup Series, the fastest race lap on the 1.99-mile configuration stands at 1:18.387, set by during the 2023 . Pole positions have progressed significantly since the series' debut at Sonoma in 1989, when claimed the initial top spot at 82.686 mph on the full 2.52-mile layout; speeds have since climbed, with William Byron's 2019 qualifying lap of 93.339 mph representing a high-water mark on the longer course before the chute's reintroduction. As of the 2025 (July 13, 2025), no new lap records were set in the Cup Series. The holds a benchmark qualifying of 1:15.521 by in 2017 on the full course, underscoring the series' emphasis on high average speeds exceeding 110 mph in race conditions, though the 2013 event's fastest race was 1:19.932 by . Pagenaud's time contributed to a season where Sonoma races averaged over 105 mph, highlighting the track's technical demands on open-wheel machinery. In the WeatherTech SportsCar Championship, the GTP class lap record is 1:17.100, achieved during qualifying for the 2023 event; GT classes typically post times around 1:35, reflecting the diverse performance envelopes across prototypes and production-based vehicles. Other series showcase Sonoma's versatility, with the posting laps around 1:31 in 2024 on the full layout (e.g., 1:31.561 by Will Rodgers in XGT class), while the NHRA Drag Racing Series saw set a track elapsed time record of 3.645 seconds by at the 2025 DENSO NHRA Sonoma Nationals. The track's 2024 resurfacing, the first in 23 years, has facilitated incremental record improvements across series by providing a smoother, higher-grip surface that boosted qualifying speeds by up to 2-3 mph in initial post-repave events.

Facilities and Visitor Experience

Seating and Capacity

Sonoma Raceway features a permanent of 47,000 spectators, encompassing grandstands and terraced areas around the 2.52-mile road course. This includes approximately 50,000 reserved seats across three terraced seating areas and the main grandstand at the start/finish line, supplemented by up to 35,000 additional hillside positions for larger events. During major races, the venue can accommodate over 100,000 attendees through temporary bleachers, general admission zones, and hospitality expansions, enabling effective crowd management for high-demand weekends like the /Save Mart 350. Spectator accommodations vary by location and preference, with permanent luxury suites and clubs positioned at key vantage points such as Turn 1, offering indoor/outdoor seating, air-conditioned environments, and VIP amenities for an elevated viewing experience. Infield viewing areas provide close-up access to pit lanes and restarts, enhanced by large video screens for comprehensive race coverage, while premium club sections like the Turn 3 Club deliver trackside perspectives with reserved seating and exclusive services. is prioritized throughout, with wheelchair-accessible seating, companion positions, and shuttle services available in all major areas to comply with ADA standards, ensuring inclusive options for guests with disabilities. The venue's capacity has evolved significantly since its opening in 1968, when early events drew crowds of around 20,000 with limited fixed seating. By the , attendance remained modest at approximately 20,000 per major race, constrained by basic facilities focused on road course operations. Following its acquisition by in 1996, expansions accelerated to support growing events, including the addition of hillside terraces and grandstand enhancements that boosted permanent seating toward 47,000 by the early . A key 2004 upgrade established a hillside of up to 64,000 (including temporary positions) and expanded permanent grandstands to 10,000, while temporary setups have since allowed peaks exceeding 100,000 during sold-out weekends. These developments, including targeted additions in the late 1990s for stock car compatibility, have enabled Sonoma Raceway to manage diverse crowd sizes through zoned entry points, shuttle systems, and phased access protocols. Sonoma Raceway introduced the RevZone at Turn 7 in 2017—a 3,100-square-foot fan zone with permanent restroom facilities, expanded shaded areas, and cooling tents to mitigate summer heat. Additionally, EV charging stations at the Turn 11 facility now support owners among attendees, aligning with broader efforts while maintaining efficient parking and crowd flow for up to 102,000 guests.

Amenities and Accessibility

Sonoma Raceway offers a range of amenities designed to enhance the visitor experience, including diverse concessions with options such as tacos from Vaqueros Taqueria, burgers from Hop Monk Food Truck, and BBQ at Sonoma BBQ stands located throughout the facility. Merchandise shops provide official apparel, souvenirs, and racing gear, accessible via the main grandstand areas and fan zones. VIP lounges like the Turn 3 Club feature light snacks, unlimited non-alcoholic beverages, closed-circuit TVs, and exclusive pre-race track passes, while the Launch Pad offers shaded seating with direct views of the drag strip starting line. Family-friendly zones include the Kids Zone and Kids Club, where children can participate in activities like badge pickups and bike parades during events. Partnerships with local vineyards, such as Senses Wines for NASCAR Victory Lane celebrations and Viansa Sonoma as an official wine partner, enable wine tasting experiences that integrate Sonoma County's viticulture with race weekend festivities. Transportation options at Sonoma Raceway facilitate easy access for attendees, with free general parking available at multiple lots accommodating thousands of vehicles during major events, directed via Highway 121 to Gate 7. Premium parking passes provide closer proximity for VIP guests. Shuttle services operate within the facility to connect parking areas, grandstands, and fan zones, while a dedicated shuttle runs from the 50 Acres Campground to Sonoma Plaza for off-site exploration. accommodations include over 1,000 sites for RVs, trailers, and tents across areas like the Trackside RV Terraces, Turn 7 Campground, and the expanded Chute Campground, with paved and gravel surfaces suitable for up to four nights during race weekends. For the 2025 NHRA Sonoma Nationals, expansions include a new all-new tent campground with 24/7 security and public restrooms, along with additional premium parking and upgrade options. Accessibility features ensure inclusivity for all visitors, with designated paths and reserved seating sections available for wheelchair users, semi-ambulatory individuals, and their attendants throughout the grandstands and viewing areas. The facility maintains sustainability initiatives, including a comprehensive program that has diverted over 734 tons of materials since 2004, supported by installations and on-site stations. Visitor policies prioritize and , with bag checks at all entry gates allowing up to two non-clear bags per person (maximum 18x18x14 inches) and one soft-sided cooler (14x14x14 inches), while prohibiting items like weapons, glass containers, and large umbrellas. A guarantee policy refunds tickets for qualifying rainouts, ensuring protection against inclement conditions. As of 2025, the Sonoma Raceway provides real-time updates on schedules, sessions, and navigation aids to help fans locate concessions, seating, and shuttles efficiently.

Cultural and Media Impact

Sonoma Raceway has appeared in several films, often highlighting its challenging road course and drag strip for action sequences. The 1970 drama , starring and , featured extensive filming at the track, capturing high-speed pursuits and races that emphasized the venue's rugged terrain. In television, Sonoma Raceway has been prominently featured in live broadcasts of motorsport events, particularly NASCAR's annual , which has aired on networks including , , and TNT since the early 2000s, showcasing the track's elevation changes and backdrop to millions of viewers. Documentaries like the 2019 series Rapid Response have also used the facility to depict advancements in racing safety and medical response. The track appears in literature as a symbol of competitive intensity and regional allure. In Garth Stein's 2008 novel The Art of Racing in the Rain, narrated from a dog's perspective, various racetracks are referenced in scenes of endurance racing, underscoring themes of perseverance. Travel books on Sonoma County often highlight the raceway's integration with wine tourism, portraying it as a hub where motorsports enthusiasts pair adrenaline-fueled weekends with nearby vineyard visits. As an emblem of California's vibrant motorsports scene, Sonoma Raceway frequently represents the fusion of speed and scenic beauty in popular media, evoking the state's innovative heritage against its storied wine landscapes.

Legacy and Recognition

Sonoma Raceway has left an indelible mark on American motorsports through its role in advancing formats and hosting innovative events. Since its opening in 1968, the venue has influenced the development of U.S. by providing a challenging natural terrain layout that emphasizes over sheer speed, serving as a benchmark for tracks like Watkins Glen and . It pioneered the integration of road courses into NASCAR's schedule, hosting the series' first race at Sonoma in 1989 and becoming synonymous with "road course ringers"—specialist s from other disciplines who elevated competition standards. The track's innovations extend to alternative propulsion technologies, positioning it as an early testing ground for electric vehicles in the . In 2021, Sonoma hosted the inaugural Holley Experience, where all-electric vehicles demonstrated high-performance capabilities on its circuit, attracting EV owners and enthusiasts to explore sustainable racing. By 2025, conducted hot laps with a prototype electric race car generating up to 1,360 horsepower at the venue, highlighting its adaptability to zero-emission prototypes amid the sport's net-zero carbon goals. These efforts underscore Sonoma's forward-thinking approach to blending tradition with environmental progress. In , Sonoma Raceway commemorated the 50th of its with a series of events, including a return to the original 12-turn configuration for the 2019 season, drawing thousands to celebrate its half-century of heritage. The facility has earned recognition for its initiatives, including state-level commendation from California's Department of Resources and Recovery for oil recycling programs during events. The Turn 11 hospitality suite, opened in 2022 and constructed with mass timber from sustainable redwood sources, further highlighted its commitment to eco-friendly design, earning acclaim for reducing environmental impact in infrastructure. Sonoma's digital legacy amplifies its global reach, with accurate representations in racing simulations that train drivers and engage fans. The track appears in iRacing's library as a 1.99-mile, 10-turn configuration, capturing its elevation changes and used in professional virtual series. Similarly, Gran Turismo features Sonoma (formerly Infineon Raceway) across multiple titles, allowing players to experience its 12-turn layout in high-fidelity detail. The venue offers virtual tours of key viewing areas like the Turn 7 Terrace and Main Grandstands, enabling remote exploration of its facilities and enhancing accessibility for international audiences.

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