| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Maisie HOSKING | 20 | Co Manch Aq | 1:00.95 |
| 1 | 2 | Mia MASON | 16 | Co Manch Aq | 1:00.71 |
| 2 | 3 | Agatha SCOTT | 17 | Harrogate | 1:00.59 |
| 3 | 4 | Laurie DEVINE | 16 | Leic Sharks | 58.66 |
| 4 | 5 | Emma CROKER | 17 | South Lincs | 57.17 |
| 5 | 6 | Beth HALL | 17 | Cleethorpes | 58.48 |
| 6 | 7 | Olivia LLOYD-JONES | 17 | Co Manch Aq | 59.81 |
| 7 | 8 | Isabel FARMER | 16 | Bo Kirklees | 1:00.67 |
| 8 | 9 | Mia BURSLEM | 16 | Co Liverpool | 1:00.85 |
| 9 | 10 | Teia HENDLEY | 15 | Leamington | 1:01.24 |