| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Emily MARRISON | 13 | Co Leeds | 1:18.48 |
| 1 | 2 | Hermione COAKLEY-HINES | 13 | Wirral Metro | 1:13.83 |
| 2 | 3 | Molly NORTON | 13 | Co Leeds | 1:12.81 |
| 3 | 4 | Elizabeth WARNER | 13 | Co Leeds | 1:09.28 |
| 4 | 5 | Lily STANSFIELD | 13 | Harrogate | 1:06.94 |
| 5 | 6 | Lois CHILD | 13 | Harrogate | 1:07.78 |
| 6 | 7 | Iris HURST | 13 | Warrington W | 1:10.79 |
| 7 | 8 | Holly HARRISON | 13 | Co Leeds | 1:13.60 |
| 8 | 9 | Mia TRAVIS-JONES | 13 | Co Leeds | 1:16.10 |