| Leah Reeves | 44.36 | 1996-05-25 | aged 10 | unknown fixture |
| Ceri Unwin | 40.35 | 2001-03-04 | aged 9 | Speedo M11 Round 1 |
| Ceri Unwin | 39.09 | 2001-03-10 | aged 9 | Age groups 2 & 3 |
| Ceri Unwin | 37.68 | 2001-03-24 | aged 9 | Harlow Open |
| Ceri Unwin | 36.81 | 2001-06-23 | aged 9 | Potters Bar Open |
| Ceri Unwin | 36.27 | 2001-07-14 | aged 9 | Bishops Stortford Open |
| Christie Bays | 36.21 | 2007-07-14 | aged 10 | Bishops Stortford Open |
| Jessica Jackson | 36.03 | 2008-03-02 | aged 10 | County Champs Day 2 |