Quincy McMahon Bio
Quincy Marie McMahon (born September 26, 2002) is an American professional soccer player who plays as a left back for Racing Louisville FC of the National Women’s Soccer League (NWSL). She played college soccer for the UCLA Bruins, winning the 2022 national championship, and began her professional career with San Diego Wave FC in 2025 before being traded to Racing Louisville in January 2026.
Early Life and Background
McMahon was born in Logan, Utah, to Kim Sullivan and Tom McMahon, and has two older brothers. Her father most recently served as the special teams coordinator for the Las Vegas Raiders of the National Football League (NFL), embedding the family in a deep sporting tradition. The family environment, paired with her father’s long career in professional football, helped shape McMahon’s competitive approach and discipline from an early age.
McMahon attended Valor Christian High School in Highlands Ranch, Colorado, for two years before moving to Guerin Catholic High School in Carmel, Indiana. In her senior year, she posted 19 goals and 21 assists and earned Indiana’s Gatorade Player of the Year and United Soccer Coaches All-American honors. She also played her club soccer with Indiana Fire Juniors, where she developed against top regional competition.
Path to Soccer
McMahon emerged as one of the top teenage defenders in the country during her high school years in Indiana, where her senior production caught the attention of major college programs. Her United Soccer Coaches All-American selection marked her as a priority recruit, and she committed to UCLA, joining one of the most decorated women’s college soccer programs in the country.
Her path to the professional ranks was accelerated by changes to the National Women’s Soccer League’s entry system. McMahon became one of the first players to sign a professional contract directly out of college after the NWSL abolished its college draft, setting the stage for her early transition to San Diego Wave FC.
Quincy McMahon Career
Early Career (2021–2024)
McMahon played for the UCLA Bruins from 2021 to 2024, scoring 8 goals and providing 26 assists across 86 appearances, including 78 starts. She moved into the starting lineup by the end of her freshman season, earning Pac-12 Conference all-freshman honors as UCLA went undefeated to win the conference title before an NCAA tournament first-round upset.
During her sophomore year she started every match, was named first-team All-Pac-12, and helped the Bruins keep 13 clean sheets in 23 games. She played every minute of UCLA’s 2022 NCAA title run, helping the team rally from two goals down to beat North Carolina 3–2 in the championship match.
UCLA Breakthrough (2022–2023)
In her junior season in 2023, McMahon played the second-most minutes on the team and became the first player to receive four Pac-12 Defensive Player of the Week honors in a single season. She repeated as first-team All-Pac-12, led the team with seven assists, and helped UCLA record 11 clean sheets in 19 games. The Bruins again won the Pac-12 title but were upset in the NCAA tournament first round.
As a senior, with UCLA’s move to the Big Ten Conference, McMahon matched her sophomore total of three goals and added a team-high six assists. She was named to the All-Big Ten second team and helped UCLA win its new conference tournament for the first time. Head coach Margueritte Aozasa mostly deployed McMahon at left back while occasionally shifting her to the right flank or forward.
San Diego Wave Era (2025)
San Diego Wave FC announced on December 13, 2024, that the club had signed McMahon to her first professional contract on a three-year deal. She was the second college player, after new teammate Trinity Byars, to enter the NWSL following the abolition of the college draft. McMahon made her professional debut as a stoppage-time substitute for Hanna Lundkvist in a 2–1 defeat to the Orlando Pride on March 29, 2025.
In her rookie season with the Wave, McMahon made seven regular-season appearances, exclusively entering as a late substitute, as the team finished sixth in the standings. In the playoff quarterfinals she played a season-high 19 minutes during a 1–0 extra-time loss to the Portland Thorns.
Racing Louisville Era (2026–Present)
On January 12, 2026, McMahon was traded to Racing Louisville FC in exchange for US$25,000 in allocation money and international roster spots for the next two seasons. The move positioned her for a larger role after a rookie year spent primarily as a late-game substitute. She joined Racing Louisville wearing the number 12 shirt and competing for minutes at left back.
Driving Style and Strengths
McMahon is primarily deployed as a left back and is valued for her defensive reliability, her high soccer IQ, and her ability to contribute in the attack through well-timed overlapping runs and accurate crossing. Her four Pac-12 Defensive Player of the Week awards in a single season underline her consistency in one-on-one defending and her reading of the game.
Notable Events and Milestones
McMahon’s most defining moment came in the 2022 NCAA championship match, where she played every minute of UCLA’s 3–2 comeback win over North Carolina. She is also recognized as one of the earliest beneficiaries of the NWSL’s post-draft entry system, having signed her first professional contract directly out of college in December 2024.
Quincy McMahon Career Wins
Quincy Marie McMahon’s career highlights to date are built around team trophies earned during her time at UCLA, rather than individual titles. She is a 2022 NCAA national champion, a two-time Pac-12 Conference champion, and the first Big Ten Conference tournament champion in UCLA women’s soccer history.
UCLA Bruins Highlights
Across four college seasons, McMahon helped UCLA capture the 2022 NCAA national championship, two Pac-12 titles, and the program’s first Big Ten tournament crown. Her freshman, sophomore, and junior years each ended with Pac-12 conference titles, and her senior year added the new Big Ten tournament trophy. She also earned three All-Pac-12 selections, one All-Big Ten selection, and Pac-12 all-freshman recognition.
Other Wins and Performances
At the international youth level, McMahon represented the United States at the under-18, under-19, under-20, and under-23 age groups. She also earned Indiana Gatorade Player of the Year and United Soccer Coaches All-American honors during her senior year at Guerin Catholic High School.
Quincy McMahon Family
Family Background and Racing Lineage
McMahon comes from a deeply sports-oriented household. Her mother is Kim Sullivan and her father is Tom McMahon, who has worked as a special teams coordinator in the National Football League, most recently with the Las Vegas Raiders. She also has two older brothers, and the family’s connection to professional sports through her father has been a defining influence on her athletic development.
Personal Life
McMahon completed her high school education in Indiana after transferring from Valor Christian High School in Colorado, and she later graduated from UCLA after four seasons with the Bruins. Publicly available details about her personal life beyond her family and education remain limited.
2025 Season Performance
McMahon’s 2025 season was her rookie year in the National Women’s Soccer League with San Diego Wave FC. She made her professional debut on March 29, 2025, coming on as a stoppage-time substitute in a 2–1 loss to the Orlando Pride, and went on to make seven regular-season appearances, all as a late substitute. The Wave finished sixth in the NWSL standings, qualifying for the playoffs, where McMahon featured in a quarterfinal defeat to the Portland Thorns.
Her first season offered a measured introduction to the professional level rather than a starring role, with most of her minutes coming off the bench as a defensive option. The trade to Racing Louisville FC in January 2026 was widely seen as an opportunity for increased playing time, and her development in 2025 set the foundation for a larger role heading into her second professional campaign.