| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Grace Jackson | 15 | Co Salford | 1:19.26 |
| 1 | 2 | Ellie Smith | 15 | Co Norwich | 1:19.03 |
| 2 | 3 | Jamie Lea Mawer | 15 | Cleethorpes | 1:17.94 |
| 3 | 4 | Ava Wilson | 15 | New Hall | 1:17.68 |
| 4 | 5 | Petra Varga | 15 | Wirral Metro | 1:15.54 |
| 5 | 6 | Martha Cunniffe | 15 | Leander | 1:17.34 |
| 6 | 7 | Georgina Hamilton | 15 | Co St Albans | 1:17.84 |
| 7 | 8 | Ruby Chudleigh | 15 | Co Birm'ham | 1:18.75 |
| 8 | 9 | Mabel Robertson | 15 | Co Sheffield | 1:19.15 |
| 9 | 10 | Darcie Platts | 15 | Co Leicester | 1:19.72 |