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Jack Alexy
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John Carroll Alexy (/əˈlɛksi/ ə-LEK-see;[2] born January 19, 2003) is an American swimmer. He currently swims collegiately for the California Golden Bears. He qualified to be part of the USA swimming team at the 2024 Summer Olympics in Paris.[3] He is grandson of the former basketball player Bill Ebben.
Key Information
Career
[edit]Raised in Mendham Borough, New Jersey, Alexy attended Delbarton School where he won state titles at the New Jersey State Interscholastic Athletic Association Meet of Champions in the 50- and 100-meter freestyle events as a freshman and again as a junior, joining two of his three siblings who also won state swimming individual titles.[4][5]
At the 2019 FINA World Junior Swimming Championships, Alexy earned a gold medal with Team USA in the 4 × 100 m freestyle relay. He split a 50.26 as the lead-off leg in the preliminary heats.[6]
In 2021 during the 2020 United States Olympic trials, Alexy recorded a new best time of 48.69, considerably less than his previous personal best of 49.31, which had been used as his entry time and seeded him in 21st position. He also broke Caeleb Dressel's National Age Group record of 48.78, which had been set in 2015 during the United States Nationals.[7]
2023
[edit]Collegiate season
[edit]At the 2023 Pacific 12 Championships, Alexy recorded personal bests in his three individual events (50 free, 100 free, 100 back). Furthermore, his new best time of 41.42 in the 100 free placed second behind his teammate, Bjorn Seeliger.
At the 2023 NCAA Championships, Alexy qualified for his first A final in the 50 yard freestyle after placing 5th in the prelims with a best time of 18.77. At the finals session, he placed 6th overall while contributing to Cal's second place finish in the 200 freestyle Relay. On Day 4, Alexy swam a new personal best of 40.88 in the preliminaries of the 100 yard freestyle, taking the top seed entering the A final. In the final evening of the competition, Alexy earned two silver medals after finishing second in the 100 yard freestyle and the 400 freestyle relay. Cal won the team championship.
Long course season
[edit]In April, at the TYR Pro Swim Series - Westmont meet, Alexy won the 50 meter freestyle in a personal best time of 22.09. He placed second in the 100 meter freestyle with a time of 48.85.
At the Phillips 66 USA National Championships, Alexy qualified to represent the United States at the 2023 World Aquatics Championships in Fukuoka, Japan. His performances at the meet qualified him to swim the 50m and 100m freestyle events. On June 27, 2023, Alexy won the 100m Freestyle with a time of 47.93. He set a personal best time of 47.75 in the prelims. On July 01, 2023, Alexy placed second in the 50m Freestyle with a personal best time of 21.63. He outswam Michael Andrew (swimmer) by a hundredth of a second, denying him a spot on the World Championship roster. Alexy also placed 10th in the 50m backstroke with a time of 25.14.
His breakthrough season culminated at the 2023 World Aquatics Championships in which he earned five medals for Team USA in his senior international debut. Individually, Alexy won two silver medals: in the 50m and 100m Freestyle events. In the 100m event, after qualifying in 8th place for the final after a poor dive in the semifinals, Alexy posted a new best time of 47.31. In the 50m event, Alexy posted a time of 21.57, which put him one hundreth ahead of Ben Proud in third place. Alexy also claimed three more medals in representing relays for the United States. He won gold in the Men's 4 × 100 metre medley relay after posting a 47.00 freestyle split. He also earned a silver medal in the Mixed 4 × 100 metre freestyle relay after swimming a 47.68 leadoff leg, and a bronze medal in the Men's 4 × 100 metre freestyle relay after swimming a 47.68 split.
2024
[edit]Collegiate season
[edit]Alexy opted out of the 2024 Pacific 12 Championships to instead swim at a TYR Pro Swim Series meet in Westmont, Illinois. Alexy won the 100 meter freestyle with a time of 48.37 and placed second in the 50 meter freestyle with a time of 21.86. Additionally, he swam the 200 meter freestyle in a time of 2:15.50.
On night one of the 2024 NCAA Championships, Alexy played a pivotal role in both relays. In the 200 Medley Relay, he anchored Cal to a fourth-place finish with a split time of 18.40. Additionally, he contributed to Cal's victory in the 800 Free Relay with a flying start split of 1:30.50, setting a new NCAA record of 6:02.26. On Day 2, Alexy competed in the 50 Free from a flat start three times, achieving new personal bests each time. He swam an 18.44 in the prelims, followed by an 18.38 in the finals, and led off Cal in the 200 Free Relay with a time of 18.40. Alexy secured medals in both events, finishing second in the relay and third in the 50 Free. On Day 3, Alexy made his NCAA Championship debut in the 200 Freestyle and recorded a time of 1:29.75 in the final to place second. He dropped almost three seconds off his entry time of 1:32.74, and prior to this collegiate season, Alexy had never been under 1:35. On the final day of competition, Alexy placed third in the 100 yard freestyle after swimming a personal best times of 40.80 and 40.59 in the prelims and finals respectively. Alexy also contributed to Cal's third place finish in the 400 Free Relay with a lead off split of 40.79. Cal placed second behind the Arizona State Sun Devils; out of the 444.5 points they scored, Alexy contributed 49 of them with his individual performances and 136 through the relays.
Long course season
[edit]At the 2024 United States Olympic trials, Alexy opted to enter the 50 and 100 meter freestyle events. He led the preliminary heats in the 100 meter event with a new personal best time of 47.08. In the finals, he placed second behind Chris Guiliano with a time of 47.47, earning him the right to represent the United States at the 2024 Summer Olympics in both the 100 meter freestyle and 4 × 100 meter freestyle relay. In the 50 meter free, Alexy also made the final, finishing in fourth place with a time of 21.76. He had set a seasons best mark in the semi-finals of 21.66.
During the first finals session of the Olympic swimming competition, the team of Alexy, Guiliano, Armstrong, and Dressel earned the gold medal in the 4 × 100 meter freestyle relay. Alexy led off with a time of 47.67 and helped Team USA secure their first gold at the 2024 Olympic Games. In his only individual event, the 100 meter freestyle, Alexy's time of 47.57 was the top time in the preliminaries; he followed this performance with a 6th place finish in the semi-finals. In the final, Alexy placed 7th with a time of 47.96, behind a world record performance by Pan Zhanle of 46.40, and ahead of his teammate Giuliano. Alexy also earned a silver medal by swimming the freestyle leg in the preliminaries of the 4 × 100 meter medley relay.
International championships
[edit]| Meet | 50 freestyle | 100 freestyle | 4×100 freestyle | 4×100 medley | 4×100 mixed freestyle |
|---|---|---|---|---|---|
| WJ 2019 |  [a] |
||||
| WC 2023 |  |
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 |
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| OG 2024 | 7th | |
[a] |
— |
- a Alexy swam only in the preliminaries.
Personal best times
[edit]Long course meters (50 m pool)
[edit]| Event | Time | Meet | Location | Date | Ref | |
|---|---|---|---|---|---|---|
| 50m freestyle | 21.36 | 2025 USA Swimming Championships | Indianapolis, Indiana | June 7, 2025 | [8] | |
| 100m freestyle | 46.81 | s | 2025 World Aquatics Championships | Singapore | July 30, 2025 | [9] |
| 50m backstroke | 25.14 | h | Phillips 66 USA National Championships | Indianapolis, Indiana | June 29, 2023 | [8] |
| 100m backstroke | 55.47 | h | 2020 United States Olympic trials (swimming) | Omaha, Nebraska | June 17, 2021 | [8] |
Legend: h — prelims heat, s - semifinal
Short course yards (25 yd pool)
[edit]| Event | Time | Meet | Location | Date | Ref | |
|---|---|---|---|---|---|---|
| 50yd freestyle | 18.38 | 2024 NCAA Championships | Indianapolis, Indiana | March 28, 2024 | [8] | |
| 100yd freestyle | 40.36 | 2025 NCAA Championships | Federal Way, Washington | March 29, 2025 | [8] | |
| 200yd freestyle | 1:29.75 | 2024 NCAA Championships | Indianapolis, Indiana | March 29, 2024 | [8] | |
| 100yd backstroke | 45.62 | h | 2023 NCAA Championships | Minneapolis, Minnesota | March 24, 2023 | [8] |
Legend: h — prelims heat
References
[edit]- ^ a b c d e f "2021–22 Men's Swimming & Diving Roster". calbears.com. Retrieved August 25, 2022.
- ^ "ALEXY Jack". Olympics.com. 2024. Retrieved August 7, 2024.
- ^ Havsy, Jane. "Delbarton alum Jack Alexy of Mendham qualifies for U.S. swim team at Paris Olympics", Daily Record, June 21, 2024. Accessed June 21, 2024. "Jack Alexy of Mendham has qualified for the 400-meter freestyle relay on Wednesday night in Indianapolis. Alexy, a 6-foot-8 rising senior at Cal-Berkeley, finished second in the 100-meter free final in 47.47, nine hundredths of a second out of first."
- ^ "Personal bests, top honors for boys at NJSIAA Meet of Champions". Daily Record. March 4, 2019. p. B1.
- ^ Havsy, Jane. "Delbarton swimmer Rob Alexy adds to family legacy of NJSIAA Meet of Champions titles", Daily Record, March 6, 2022. Accessed August 30, 2022. "After winning the NJSIAA Meet of Champions title in the 100-yard freestyle, Rob Alexy, a Delbarton junior, thought back to when his mom brought 'dinner and her four kids (to the Y), and we'd have practice.'... But the family had a pool in their Mendham backyard, so all four kids had to learn to swim to stay safe."
- ^ "Competition Results | World Aquatics Official".
- ^ "Jack Alexy Takes Down Dressel's 17–18 NAG Record in 100 Free With 48.69". Swimming World Magazine. June 16, 2021. Retrieved September 30, 2022.
- ^ a b c d e f g "Jack Alexy". swimcloud.com. Retrieved August 25, 2022.
- ^ [1]tntsports.co.uk. Retrieved 30 July 2025.
External links
[edit]- Jack Alexy at World Aquatics
- Jack Alexy at SwimRankings.net
- Jack Alexy at Olympics.com
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Jack Alexy
View on Grokipediafrom Grokipedia
Early life and high school career
Family background
Jack Alexy was born on January 19, 2003, in Morristown, New Jersey, to parents Matthew Alexy, a corporate executive in finance and risk management who worked at Credit Suisse, and Lynn Alexy (née Ebben), a former Division I basketball player at the University of Notre Dame in the 1980s.[8][9][1] The Alexy family boasts a strong athletic lineage, with all four siblings actively involved in competitive swimming. His older sister Kate swam at Kenyon College, a Division III program in Ohio; brother Max competed at Delbarton School in New Jersey; and younger brother Rob, who also swam at Delbarton and later joined the University of California, Berkeley swimming team as of the 2023-24 season. Their parents fostered this environment by encouraging early sports participation, including regular summer outings to the Bernardsville Municipal Pool, where the siblings first honed their water skills.[1][10][11] Alexy was introduced to swimming around age six as a recreational summer activity, initially for safety in the family's backyard pool, before family support helped shift his focus to competitive training by middle school. Standing at 6 feet 8 inches (2.03 m), his exceptional height and lanky build were noted early on as natural advantages for sprint freestyle events during his teenage years. This familial emphasis on athletics laid the groundwork for his transition to organized high school swimming at Delbarton School.[12][13][3]Delbarton School achievements
Jack Alexy attended Delbarton School in Mendham, New Jersey, from 2017 to 2021, where he emerged as a standout swimmer specializing in sprint freestyle and backstroke events.[1] During his high school career, he contributed significantly to the team's success, including helping Delbarton secure an 11-1 record and its first Morris County title in a decade as a freshman.[14] Alexy achieved notable success at the state level, winning multiple New Jersey Meet of Champions titles. As a freshman in 2018, he claimed victories in the 50-yard freestyle and 100-yard backstroke. In his junior year of 2020, he defended his 50-yard freestyle crown with a meet-record time of 20.08, shattering a mark that had stood since 1991, and also won the 100-yard freestyle in 44.08.[15][16] On the national stage, Alexy earned USA Swimming Scholastic All-American honors in 2019 and 2020 for his performances in the 100-yard and 200-yard freestyle events, building on his 2017-18 NISCA/Speedo Boys High School All-American recognition in the 100-yard backstroke and 50-yard freestyle.[17][14] He further demonstrated his talent by winning the 100-yard freestyle at the 2019 USA Swimming Junior Nationals with a time of 42.87.[1] Competing for the Greater Somerset County YMCA Storm club team, Alexy announced his verbal commitment to the University of California, Berkeley, on October 7, 2019.[2] His senior season in 2020–21 was curtailed by the COVID-19 pandemic, which restricted high school meets across New Jersey, though he continued rigorous training to prepare for college competition.[18]Collegiate career
2021–22 season
Jack Alexy enrolled at the University of California, Berkeley, in the fall of 2021 as a political economy major and joined the California Golden Bears men's swimming and diving team under head coach Dave Durden.[1] His standout high school performances at Delbarton School had made him a prime recruit for the program. As a freshman, Alexy adapted to the demands of collegiate competition, focusing on refining his sprint technique and incorporating dryland strength training to maximize the advantages of his 6-foot-8 height.[19] This period marked a learning curve, as he navigated the intensity of NCAA-level practices and races while building endurance and power.[20] At the 2022 Pac-12 Championships in Federal Way, Washington, Alexy played a key role in Cal's team title victory, delivering a 18.57-second split on the winning 200-yard freestyle relay and a 41.14-second split on the winning 400-yard freestyle relay.[1] Individually, he earned a bronze medal in the 100-yard freestyle with a time of 41.93, finishing fourth in the 50-yard freestyle at 19.35, and placing tenth in the 100-yard backstroke (46.15).[21] These efforts highlighted his emerging relay reliability and individual sprint potential within the conference. Alexy's freshman campaign culminated at the 2022 NCAA Championships in Atlanta, Georgia, where he contributed to Cal's national team title. He earned All-America honors with an 18.78 split on the runner-up 200-yard freestyle relay and a 41.84 split on the third-place 400-yard freestyle relay.[2] In individual events, he set personal bests with a 19.27 in the 50-yard freestyle (23rd place) and 42.21 in the 100-yard freestyle (23rd place), while also competing in the 100-yard backstroke (36th, 46.37).[2] Later that summer, at the 2022 U.S. International Team Trials in Greensboro, North Carolina, Alexy placed 12th in the 100-meter freestyle, narrowly missing selection for the senior World Championships team but securing a position on the U.S. junior national team.[20]2022–23 season
During his sophomore season at the University of California, Berkeley, Jack Alexy emerged as one of the top sprinters in collegiate swimming, building on the relay experience from his freshman year that had helped build his confidence in high-pressure situations.[2] He focused on refining his sprint technique through additional post-practice sessions, spending extra time in the water to enhance his starts, turns, and underwater work, which contributed to significant improvements in his times.[22] At the 2023 Pac-12 Championships, Alexy placed second in the 100-yard freestyle with a time of 41.42, narrowly behind teammate Bjorn Seeliger.[2] He also finished fifth in the 50-yard freestyle (19.13) and eighth in the 100-yard backstroke (46.14), while contributing key splits to Cal's relay efforts, including a 18.85 lead-off on the winning 200-yard freestyle relay and a 19.32 anchor on the 400-yard medley relay.[2] These performances helped Cal secure second place in the team standings behind Arizona State, with 753 points to the Sun Devils' 798.[23] Mid-season, Alexy set a personal best in the 50-yard freestyle of 18.87 at the NCAA Championships, marking his emergence as an elite sprinter. He also competed in the TYR Pro Swim Series, where his sprint focus translated to strong showings in short-course events.[2] Alexy's season peaked at the 2023 NCAA Championships, where he earned silver in the 100-yard freestyle with a time of 40.92, finishing behind Florida's Josh Liendo (40.28).[24] He placed sixth in the 50-yard freestyle (18.87), and contributed to Cal's relay successes, including silver medals in the 200-yard freestyle relay and 400-yard freestyle relay, as well as a fourth-place finish in the 200-yard medley relay.[25] These efforts helped Cal claim the team title with 511 points, repeating as national champions ahead of Arizona State (481 points).[26] In recognition of his performances, Alexy was named a CSCAA First-Team All-American in the 50-yard freestyle, 100-yard freestyle, 200-yard freestyle relay, 400-yard freestyle relay, and 200-yard medley relay.[27] As a political economy major at Cal, he balanced his intensified training regimen—often extending sessions for targeted sprint work—with academic demands, maintaining eligibility while achieving a breakout year.[28][22]2023–24 season
During his junior year at the University of California, Berkeley, Jack Alexy balanced rigorous training with academic pursuits in political economy, while his international schedule influenced his collegiate commitments.[1] Opting out of the 2024 Pac-12 Championships to prioritize long-course preparation at the TYR Pro Swim Series in Westmont, Illinois, Alexy focused on building momentum for the NCAA Championships amid a demanding dual-meet slate.[29] His prior silver medal in the 100-meter freestyle at the 2023 World Championships provided motivational fuel as he aimed to elevate his short-course performances.[30] Mid-season, Alexy posted strong results in key dual meets, anchoring Cal's sprint events and setting facility records. Against USC, he swept the 50-yard freestyle (19.30) and 100-yard freestyle (41.49), contributing to a decisive team victory.[1] In the rivalry meet versus Stanford, he claimed the 100-yard freestyle title in 41.19 while finishing second in the 50-yard freestyle (18.74), his best time of the regular season.[1] Earlier, at the Arizona State dual, Alexy won both the 50-yard (18.97) and 100-yard freestyle (41.40, Spieker Aquatics Complex record), and anchored the 200-yard medley relay to a pool-record 1:22.87.[1] These efforts highlighted his leadership in Cal's sprint group, even as recovery from international travel lingered. At the 2024 NCAA Championships, Alexy did not secure individual titles but delivered pivotal relay splits and podium finishes, helping Cal claim second place overall behind Arizona State. In relays, he leadoff the winning 800-yard freestyle relay with a 1:30.50 split, powering Cal to an NCAA, American, and pool record of 6:02.26.[31] He also led off the runner-up 200-yard freestyle relay (18.40) and third-place 400-yard freestyle relay (40.79), while anchoring the fourth-place 200-yard medley relay (18.40).[2] Individually, Alexy earned bronze in the 50-yard freestyle (18.38) and 100-yard freestyle (40.59, program record), plus silver in the 200-yard freestyle (1:29.75, program record).[1] Despite the fatigue from his summer Worlds campaign, his relay anchors underscored his role as a team anchor in high-stakes races.[32]2024–25 season
Entering his senior and final season with the California Golden Bears, Jack Alexy competed in the program's inaugural Atlantic Coast Conference (ACC) championships after Cal's move from the Pac-12.[33] At the 2025 ACC Championships held in Greensboro, North Carolina, Alexy won the 100-yard freestyle in 41.19, securing his first individual conference title.[34] He also contributed to winning relay squads, including the 200-yard medley relay (1:21.54, meet and pool record) and 800-yard freestyle relay (6:06.66, meet and pool record), helping Cal claim the men's team championship with 1,456.5 points.[1] In the 50-yard freestyle, he earned silver with a time of 18.74.[35] At the 2025 NCAA Championships in Federal Way, Washington, Alexy placed first in the 100-yard freestyle (40.36), fifth in the 50-yard freestyle (18.48), and first in the 200-yard freestyle (1:30.28), earning All-America honors in all three events.[36] He was part of Cal's record-setting 800-yard freestyle relay (5:59.75, NCAA, meet, U.S. Open, and program record) that captured the national title, as well as the 200-yard medley relay (1:20.76, program record).[1] These performances helped Cal secure second place in the team standings with 471 points, behind Texas.[37] Overall, Alexy garnered 21 CSCAA All-America honors across the season, including relays.[1] Buoyed by his Olympic gold medal from the previous summer, Alexy used the momentum to lead as a senior captain, emphasizing team unity in interviews leading into NCAAs.[38] He graduated from UC Berkeley in May 2025 with a degree in political economy.[28] Following graduation, Alexy turned professional, signing a sponsorship deal with Speedo in January 2025.[39] Reflecting on his Cal tenure, Alexy highlighted the program's back-to-back NCAA runner-up finishes and the inaugural ACC title as key legacies, crediting coach Dave Durden for his development into a top sprinter.[40]International career
2023 World Championships
Alexy qualified for his first senior World Championships by winning the 100-meter freestyle at the 2023 Phillips 66 International Team Trials in Indianapolis with a time of 47.93 seconds, securing the national title and earning a spot on the U.S. roster for both the 50-meter and 100-meter freestyle events.[41] His strong collegiate season, including a sophomore NCAA title in the 100-yard freestyle, contributed to his momentum leading into the trials.[1] At the 2023 World Aquatics Championships in Fukuoka, Japan, from July 23 to 30, Alexy made his senior international debut, competing in the sprint freestyle events and relays. In the men's 50-meter freestyle, he claimed silver with a time of 21.57 seconds, finishing just behind Australia's Cameron McEvoy (21.06) and ahead of Great Britain's Ben Proud (21.58), marking his first individual podium at a major senior meet.[42] Two days later, in the 100-meter freestyle final, Alexy earned another silver medal in 47.31 seconds—the second-fastest time ever by an American, behind only Caeleb Dressel's 46.96—edging out France's Maxime Grousset for the runner-up spot while finishing 0.06 seconds behind gold medalist Kyle Chalmers of Australia.[43] This performance highlighted his emergence as a top global sprinter, as he led much of the race before Chalmers surged late. Alexy also contributed to the U.S. men's 4×100-meter freestyle relay, swimming the leadoff leg in the preliminaries with a personal-best split of 47.75 seconds as part of a qualifying heat totaling 3:11.71.[44] The American team advanced to the final and secured bronze with a time of 3:10.94, earning Alexy his first senior Worlds medal in a relay context. He also helped win gold in the 4×100-meter medley relay and silver in the mixed 4×100-meter freestyle relay.[5] Overall, his results in Fukuoka—two individual silvers, a relay bronze, a relay gold, and a relay silver—signaled his breakthrough as the heir apparent to U.S. sprint freestyle dominance amid Caeleb Dressel's absence, drawing significant media attention for outpacing several Olympic veterans in the process.[45][22]2024 Summer Olympics
Jack Alexy qualified for his first Olympic team at the 2024 U.S. Olympic Trials in Indianapolis, finishing second in the men's 100-meter freestyle final with a time of 47.47 seconds behind Chris Guiliano.[46] He also placed fourth in the 50-meter freestyle final with a time of 21.76 seconds, earning selection for the freestyle relay events despite not qualifying for the individual 50-meter event.[47] These performances marked Alexy's emergence as a key sprinter for the U.S. team heading into the Paris Games. At the 2024 Summer Olympics in Paris from July 26 to August 11, Alexy contributed to the United States' gold medal in the men's 4×100-meter freestyle relay on July 27, swimming the leadoff leg in 47.67 seconds as part of a winning time of 3:09.28. This victory marked the third consecutive Olympic gold for the U.S. in the event and provided Team USA with its first gold of the Paris Games. He also contributed to silver in the men's 4×100-meter medley relay. In his individual event, the 100-meter freestyle, Alexy placed seventh in the final with 47.96 seconds.[48] At 20 years old during the competition—turning 21 shortly after—Alexy earned his first Olympic medal alongside teammates Chris Guiliano, Hunter Armstrong, and Caeleb Dressel, with whom he celebrated the relay triumph on the podium. The achievement elevated his profile in the swimming world, drawing media attention to his rapid rise from collegiate standout to international medalist. Following the Games, Alexy prioritized recovery, including rest and targeted training, to prepare for the upcoming collegiate and international seasons.2025 World Championships
Alexy qualified for the 2025 World Aquatics Championships by winning the men's 50 m freestyle in 21.36, a U.S. Open record, and the 100 m freestyle in 46.99, also a U.S. Open record, at the 2025 U.S. Swimming National Championships held in Irvine, California.[1] At the championships in Singapore from July 27 to August 3, Alexy earned five medals, marking a standout performance in his first major international meet as a professional swimmer. In the 100 m freestyle, he set an American record of 46.81 in the semifinals, surpassing Caeleb Dressel's previous mark of 46.96, before claiming silver in the final with 46.92 behind David Popovici's championship record of 46.51.[49][50] He added bronze in the 50 m freestyle final, touching in 21.46 for third place behind Cameron McEvoy and Ben Proud.[50] Alexy's relay contributions were pivotal, including a leadoff split of 47.24 to help secure bronze in the men's 4 × 100 m freestyle relay (3:09.64 total). He led off the mixed 4 × 100 m freestyle relay in 46.91 en route to gold and a world record of 3:18.48 with teammates Patrick Sammon, Kate Douglass, and Torri Huske. Finally, anchoring the men's 4 × 100 m medley relay with a 45.95 freestyle split—the second-fastest in history—clinched another bronze (3:28.62 total) behind the neutral athletes and Australia.[51][52][6][50] Following the Worlds, Alexy competed in the short course World Aquatics Swimming World Cup series in October 2025, where he won gold in the 100 m freestyle, silver in the 50 m freestyle, collecting five medals overall, including another American record in the 100 m freestyle.[5][53]Personal bests
Long course meters (50 m pool)
Jack Alexy specializes in sprint freestyle events in long course meters, where he has demonstrated rapid progression and record-breaking performances, particularly in the 50 m and 100 m distances. His times reflect a focus on explosive starts and powerful finishes, contributing significantly to U.S. relay successes at major international meets.[43]| Event | Time | Meet | Notes |
|---|---|---|---|
| 50 m freestyle | 21.36 | 2025 U.S. Nationals | U.S. Open record [54][1] |
| 100 m freestyle | 46.81 | 2025 World Championships (semifinals) | American record [55][4] |
| 200 m freestyle | 1:47.29 | 2023 U.S. Trials (prelims) | [56] |
| 100 m relay split (4×100 m freestyle leadoff) | 47.31 | 2023 World Championships | Second-fastest American split ever [43] |
Short course yards (25 yd pool)
Jack Alexy's performances in short course yards, primarily during his collegiate career at the University of California, Berkeley, showcased his development as a premier freestyle sprinter in NCAA competition. Competing in the Pac-12 Conference until 2024 and then the ACC in 2025, he consistently posted elite times at major domestic meets, including the NCAA Championships, where he earned multiple All-America honors. His personal best in the 50-yard freestyle is 18.38, recorded in the finals at the 2024 NCAA Championships in Federal Way, Washington.[59] In the 100-yard freestyle, Alexy achieved a lifetime best of 40.36 at the 2025 NCAA Championships, placing fourth overall.[60] For the 200-yard freestyle, his top time of 1:29.75 came at the 2024 NCAA Championships, earning second place and setting a program record for Cal.[1]| Event | Time | Meet |
|---|---|---|
| 50y Freestyle | 18.38 | 2024 NCAA Championships |
| 100y Freestyle | 40.36 | 2025 NCAA Championships |
| 200y Freestyle | 1:29.75 | 2024 NCAA Championships |