| Jeanette Clark | 39.06 | 1996-09-27 | aged 12 | unknown fixture |
| Claire Shannon | 38.89 | 1999-03-20 | aged 12 | Harlow Junior Open |
| Hannah Kellet | 38.84 | 2000-06-03 | aged 12 | Colchester Open |
| Hannah Kellet | 38.56 | 2000-07-15 | aged 12 | Bishops Stortford Open |
| Ruth Pay | 38.24 | 2002-02-24 | aged 12 | Biggleswade Open |
| Ruth Pay | 38.21 | 2002-03-16 | aged 12 | Age Groups 5 & 6 |
| Carina Bays | 38.18 | 2007-07-14 | aged 12 | Bishops Stortford Open |
| Christie Bays | 38.15 | 2008-02-02 | aged 11 | Herts Major League Round 2 |
| Christie Bays | 37.43 | 2008-03-08 | aged 11 | County Champs Day 3 |
| Christie Bays | 37.29 | 2008-04-19 | aged 11 | Herts Major League Round 3 |
| Christie Bays | 37.15 | 2008-05-10 | aged 11 | Peanuts League Round 1 |