| Janlyn Grithiths | 1:34.69 | 1996-10-12 | aged 12 | Speedo League |
| Natasha Terrelonge | 1:27.80 | 1997-03-01 | aged 11 | Age Groups |
| Lauren Park | 1:26.62 | 1998-02-07 | aged 11 | unknown fixture |
| Claire Taylor | 1:22.14 | 1998-03-08 | aged 11 | unknown fixture |
| Claire Taylor | 1:21.87 | 1998-06-21 | aged 11 | unknown fixture |
| Claire Taylor | 1:19.97 | 1998-11-07 | aged 12 | Speedo League (Dagenham) |
| Claire Taylor | 1:19.53 | 1998-11-29 | aged 12 | Hitchin Open |
| Claire Taylor | 1:18.96 | 1999-02-13 | aged 12 | Herts Major League 13/2/99 |
| Claire Taylor | 1:15.41 | 1999-04-17 | aged 12 | Herts Age Groups 17/4/99 |