| Place | Name | Club | Improvement | Result |
|---|---|---|---|---|
| 1 | Maisie Cossins | Maidenhead | Maisie Cossins Maidenhead |
1:19.45 |
| 2 | Emily Heslop | Amersham | Emily Heslop Amersham |
1:19.64 |
| 3 | Zara Ryan | Newbury | Zara Ryan Newbury |
1:19.65 |
| 4 | Tash Moss | Wycombe Dist | Tash Moss Wycombe Dist |
1:22.11 |
| 5 | Libby Scammell | Windsor | Libby Scammell Windsor |
1:22.63 |
| 6 | Thanya Jasinska | Amersham | Thanya Jasinska Amersham |
1:22.95 |
| 7 | Sophie Bradley | Amersham | Sophie Bradley Amersham |
1:23.21 |
| 8 | Georgina Vlatas | Bracknell | Georgina Vlatas Bracknell |
1:23.99 |