The 2015 Alert Today Florida 300 was a NASCAR Xfinity Series race held on February 21, 2015, at Daytona International Speedway Daytona Beach, Florida. The race was the first of the 2015 NASCAR Xfinity Series. It was also the 34th iteration of the event. It also had a couple of firsts. It was the first ever race with the title sponsor Xfinity to sponsor the 2nd of the top 3 series of NASCAR with Xfinity replacing Nationwide. It was also the first race since 2006 that Fox would broadcast the lower series of NASCAR. Austin Dillon won the pole while Kyle Busch led the most laps but the race would feature a surprise winner as Ryan Reed won his first ever NASCAR Xfinity Series race of his career in his 40th Xfinity Series start. But the race was most remembered for a crash that left Kyle Busch with a broken leg and foot.

Daytona International Speedway is a race track in Daytona Beach, Florida, United States. Since opening in 1959, it has been the home of the Daytona 500, the most prestigious race in NASCAR as well as its season opening event. In addition to NASCAR, the track also hosts races for ARCA, AMA Superbike, IMSA, SCCA, and Motocross. The track features multiple layouts including the primary 2.500 mi (4.023 km) high-speed tri-oval, a 3.560 mi (5.729 km) sports car course, a 2.950 mi (4.748 km) motorcycle course, and a 1,320 ft (402.3 m) karting and motorcycle flat-track. The track's 180-acre (72.8 ha) infield includes the 29-acre (11.7 ha) Lake Lloyd, which has hosted powerboat racing. The speedway is operated by NASCAR pursuant to a lease with the City of Daytona Beach on the property that runs until 2054. Dale Earnhardt is Daytona International Speedway's all-time winningest driver, with a total of 34 career victories (12- Daytona 500 Qualifying Races) (7- NASCAR Xfinity Series Races) (6- Busch Clash Races) (6- IROC Races) (2- Pepsi 400 July Races) (1- The 1998 Daytona 500).

Austin Dillon won the pole for the race.

* – Made the field via owners points

** – Made the field via past champion.

*** – Landon Cassill, Blake Koch, Scott Lagasse Jr., Daniel Suárez, and David Starr had to start at the rear of the field. Cassill, Koch, and Suárez had back up cars, Lagasse Jr. had a drivers change, and Starr had unapproved adjustments.

**** – Jeff Green qualified to car before they switched to Scott Lagasse Jr. for the race.

Pole sitter Austin Dillon led the first lap of the race. On lap 2, Ryan Reed attempted to pass Dillon for the lead but Chris Buescher made a three wide pass for the lead and took the lead. On lap 8, Ty Dillon race side by side for the lead with Buescher and led lap 8 and 9 before he got in front of Buescher. On lap 13, Bubba Wallace took the lead. Ty took it back on the next lap. Wallace led lap 15 as he and Dillon raced side by side for the lead. Wallace led lap 15 and 16 before Ty took it back on lap 17. Wallace took it back on lap 19. Ty took it back on lap 22. Wallace would lead on lap 24. But Ty would take it back on lap 27. Wallace led lap 28 before Ty took back full advantage on lap 29. Wallace led lap 30 and 31 before Ty took it back on lap 32. On lap 35, Bubba Wallace took the lead. Soon, green flag pitstops began. Ty Dillon took the lead from Bubba Wallace on lap 41 after they both made their pitstops. On lap 42, Kyle Busch stormed his way from 5th to the lead.