| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Sophie DIXON | 15 | Blackpool Aq | 1:17.66 |
| 1 | 2 | Olivia TAYLOR | 15 | Leamington | 1:17.12 |
| 2 | 3 | Amelia DENHAM | 16 | Chesterfield | 1:16.37 |
| 3 | 4 | Maisy SMITH | 20 | Stockport Mo | 1:16.00 |
| 4 | 5 | Isabelle CAMERON | 18 | Co Peterboro | 1:13.75 |
| 5 | 6 | Isabel OWEN | 16 | Co Birm'ham | 1:13.79 |
| 6 | 7 | Gabriella GIBLIN | 16 | Stockport Mo | 1:16.23 |
| 7 | 8 | Isla STEWART | 15 | Co Peterboro | 1:17.01 |
| 8 | 9 | Amit MALTZ | 15 | Harrogate | 1:17.64 |
| 9 | 10 | Lily HORTON | 17 | Wirral Metro | 1:17.88 |