Lia Radus, 12, achieved a 1,500m season's best of 5:11.79 for victory in the Eastern Young Athletes League in Hendon, while her younger sister, Maayan, 10, recorded a PB of 5:42.39 over the distance at the same meeting.
Jessica Hurley, 16, set personal bests in both the 200m (27.98) and the 300m hurdles (50.48) in the Youth Development League in Eton.
In only her second competition following several years away from the sport, Rosalind Zeffert set a Shaftesbury Barnet V50 long jump record of 3.90m in the Southern League.