Sophie Dowson equalled her pole vault best of 3.60m in placing fifth at the England Athletics U20 Championship in Bedford.
Dowson was beaten by just one U17 competitor, who also scaled 3.60m.
Sophie Peters, 13, improved her 800m best to 2:41.69 at the Watford Open Graded meet. Jack Bloom reduced his time further to 2:14.22 in the Barnet Schools Championships the following day, while Peters gained a new 1,500m PB of 5:29.6 in the Youth Development League.
Three Shaftesbury Barnet Harriers took victories in the Eastern Young Athletes League in Peterborough. Jessica Hurley took the U17 in 42.2, while Judah Yawitch (2:21.8, PB) and Matti Harris (2:27.5, PB) took the U13 800m A and B races respectively.
The various Schools County Championships saw several medal-winning performances by Jewish athletes. Eden Davis took 200m gold (22.4) and 100m silver (11.2) in the Hertfordshire U17 Championships. Anna Barnett took discus gold (34.41m) and shot-put bronze (9.40m) in the Kent U17 competition.
Jessica Hurley (Herts U17 300m), Rachel Ayrton (Middlesex U17 800m) and Matti Harris (Herts U13 1500m) all gained silver medals, while Lia Radus (London U15 1,500m) and Emma Taylor (Middlesex U15 javelin) took bronzes.