[1] Walker set a new Scottish under-20 record in the 3000m in February 2020, running a time of 9:21.30 seconds.

That winter, she joined the Andy Young led training-squad that also contained compatriots Laura Muir and Jemma Reekie.

[4] In September 2023, she ran a new 5000m personal best at the Diamond League event in Xiamen, China.

[5] She was selected for the 2023 European Cross Country Championships in Brussels in December 2023.

[8] She is a member of the M11 Track Club, coached by Trevor Painter and Jenny Meadows.