[6] She attended Hamilton Girls' High School, later working in its sports department while a National League player.
[7] Though a recognised youth international, she did not play for a top-flight football team until she was 24,[7] when she joined Wellington Phoenix in October 2022 ahead of the A-League Women season.
The under-17 coach said that while it can be hard to identify leaders in the youth levels, Foster stood out for her mana.
[1][9] She had originally been included only as a training player unavailable for selection, but with injury to Rebekah Stott was added to the squad.
[7] On 30 June 2023, Foster was called up to the New Zealand squad for the 2023 FIFA Women's World Cup.