| Kapritia Park | 45.06 | 1998-05-24 | aged 9 | unknown fixture |
| Hannah Jones | 41.80 | 1998-06-27 | aged 10 | Potters Bar open |
| Laura Fitzharris | 41.44 | 1998-07-19 | aged 10 | Kate Lack Memorial, Barnet Copthall |
| Charlotte Purcell | 40.43 | 1998-09-05 | aged 10 | Bishops Stortford open |
| Charlotte Purcell | 38.90 | 1998-11-29 | aged 10 | Hitchin Open |
| Charlotte Purcell | 38.20 | 1999-01-09 | aged 10 | Herts Major League 9/1/99 |
| Charlotte Purcell | 36.97 | 1999-03-20 | aged 10 | Harlow Junior Open |
| Ruth Pay | 36.74 | 2000-03-05 | aged 10 | Speedo Junior league round 1 |
| Ruth Pay | 36.37 | 2000-04-02 | aged 10 | Speedo Junior League round 2 |
| Laura Baker | 36.22 | 2000-06-25 | aged 10 | Potters Bar Open |
| Ceri Unwin | 34.13 | 2001-03-04 | aged 9 | Speedo M11 Round 1 |
| Ceri Unwin | 33.81 | 2001-03-24 | aged 9 | Harlow Open |
| Ceri Unwin | 32.60 | 2001-07-14 | aged 9 | Bishops Stortford Open |
| Christie Bays | 32.47 | 2007-07-14 | aged 10 | Bishops Stortford Open |
| Jessica Jackson | 32.22 | 2008-01-05 | aged 10 | Herts Major League Round 1 |
| Jessica Jackson | 31.36 | 2008-03-16 | aged 10 | County Champs Day 6 |
| Jessica Jackson | 30.56 | 2008-07-12 | aged 10 | Peanuts League Round 3 |