| Natasha Terrelonge | 3:38.64 | 1996-03-23 | aged 10 | unknown fixture |
| Leah Reeves | 2:57.15 | 1998-04-04 | aged 11 | Herts Age Groups |
| Claire Taylor | 2:54.87 | 1998-04-04 | aged 11 | Herts Age Groups |
| Leah Reeves | 2:54.02 | 1999-02-20 | aged 12 | Herts Age Groups 20/2/99 |
| Claire Shannon | 2:44.88 | 1999-02-20 | aged 12 | Herts Age Groups 20/2/99 |
| Claire Taylor | 2:44.07 | 1999-02-20 | aged 12 | Herts Age Groups 20/2/99 |