| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Lucy BUCKINGHAM | 12 | Putteridge | 1:22.52 |
| 2 | 2 | Emily HOLDEN | 12 | Leighton Buz | 1:18.96 |
| 3 | 3 | Francesca BABER | 12 | Flitwick | 1:18.90 |
| 4 | 4 | Salma TERKEMANI | 12 | Modernian | 1:15.87 |
| 5 | 5 | Ella STONE | 12 | Biggleswade | 1:18.49 |
| 6 | 6 | Olivia NEWMAN-BARONIUS | 12 | Putteridge | 1:18.93 |
| 7 | 7 | Arabella WARD | 12 | Modernian | 1:20.88 |
| 8 | 8 | Isabel BYGRAVE | 12 | Biggleswade | 1:23.53 |