Ellie Edwards, 15, scored a clear victory in the 300m at the Young Athletes League at Ashton, Greater Manchester.
The Trafford athlete recorded a time of 42.6 seconds. She completed a double for her club by taking the third leg in its victorious 4x100m relay team.
Jennifer Simmons of Sale Harriers set a personal best of 57.11 in the semi-finals of the 400 metres at the British Universities Championships at Olympic Park.
Sam Shindler-Glass, 15, opened his track season with a victory and a 1,500m PB of 4:18.0 at the under-17 Young Athletes League match at Perivale.