Regan began playing youth soccer at age six with Burnaby Girls SC.[1] She later played for Mountain United FC,[2] before joining the Vancouver Whitecaps REX program.[3] She also played for the British Columbia provincial team.[4] She also represented BC at the 2017 Canada Summer Games.[5] She served as the Vancouver Whitecaps captain since 2014 and was named "Most Promising Player" in 2015, also being named the BC Soccer Youth Player of the Year in 2015.[6]
College career
She began attending the University of Texas at Austin in 2018 playing for the women's soccer team.[7] She was named to the 2018 Top Drawer Soccer National Preseason Best XI Freshman Team,[8] the 2019 Preseason All-Big 12 Conference Team,[9] and the 2019 All-Big 12 Conference Second Team.[10] She scored her first goal on October 9, 2020 against the Kansas State Wildcats.[11] In 2021 and 2022, she was again named to the All-Big 12 Conference Second Team[12][13] and was named to the United Soccer Coaches All-Midwest Region Third Team in 2021.[14] In 2022, she was named the 2022 Big 12 Conference Soccer Co-Scholar Athlete of the Year and was a four time Academic All-Big 12 First Team.[15]
In January 2023, she signed her first professional contract with Danish club HB Køge.[21] She made her debut on March 11, in a league cup match against FC Thy-Thisted Q.[22] On May 5, 2023, she scored her first goal for the club against Kolding.[23] She won the 2022-23 league title with the club in her first season.[24] At the end of the 2024 season, she departed the club to return to North America.[25]
In December 2024, Regan signed with AFC Toronto ahead of the inaugural Northern Super League season, becoming the first active Canadian national team player to join the new league.[26]
Regan earned her first call-up to the Canada senior team in June 2018, ahead of a friendly against Germany.[33] She was then called up for the 2018 CONCACAF Women's Championship,[34] making her senior debut against Cuba on October 8, 2018.[35][36] In October 2023, she was called up to the senior team again, for the first time since her last call-up five years earlier.[37]