[3][4] In 2019, Walker made her debut for the England U–21 team at the EuroHockey Junior Championship in Valencia.

[5] In 2022, Walker debuted for the English national team during season three of the FIH Pro League.

[6][1] She later competed at the 2022 FIH World Cup in Terrassa and Amsterdam, where the team finished in eighth place.

She concluded her 2022 season by winning a gold medal at the XXII Commonwealth Games in Birmingham.

[2][5][9] This biographical article relating to an English field hockey figure is a stub.