| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Arabella WARD | 12 | Modernian | 38.29 |
| 2 | 2 | Francesca BABER | 12 | Flitwick | 37.18 |
| 3 | 3 | Emily HOLDEN | 12 | Leighton Buz | 35.58 |
| 4 | 4 | Salma TERKEMANI | 12 | Modernian | 34.98 |
| 5 | 5 | Olivia NEWMAN-BARONIUS | 12 | Putteridge | 35.24 |
| 6 | 6 | Ella STONE | 12 | Biggleswade | 35.92 |
| 7 | 7 | Isabel JACKSON | 12 | Linslade | 37.42 |
| 8 | 8 | Lucy BUCKINGHAM | 12 | Putteridge | 38.76 |