[6] She made 14 regular season appearances and scored 10 goals as NDC Ontario finished runners-up behind Vaughan Azzurri.

She made a further two appearances in the playoffs as the team beat Alliance United FC 3–1 in the final to win the championship title.

[10] In March 2023, Allen began training with the Orlando Pride of the National Women's Soccer League during her high school spring break.

[15][16] Allen's first international involvement with the Canada Soccer program was in December 2021 when she was invited to an under-17 camp under coach Emma Humphries.

[19] After her performance at the U17 World Cup, Allen was called up to the Canada senior team for the first time, at age 17, for a double header of friendlies against Brazil in November 2022.