In 2017, she recorded hat-tricks against Northwestern State on August 20,[3] and against Southern Miss on September 3.[4] She was named to the All-SEC Second Team and SEC All-Freshman Team.[5] She was again named Second Team All-SEC in 2018,[6] and was named First Team All-SEC in 2019,[7] 2020,[8] and 2021.[9]
Foster was named to the All-SEC teams in each of her five years of college soccer, becoming the first five-time honoree in league history.[9]
In February 2022, she was announced on Chicago's preseason roster.[12] She made her NWSL Challenge Cup debut during a March 20 match against Houston Dash,[13] and made her NWSL regular season debut during a July 2 match against NJ/NY Gotham FC.[14] Foster was waived by Chicago Red Stars in November 2022.[15]
In February 2023, she was a preseason trialist with Orlando Pride.[16]
Foster signed with SK Slavia Prague in March 2023.[17] She scored a goal on her Slavia Prague league debut, in a 10–0 win against FC Baník Ostrava in March 2023.[18]