| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Victoria Dawson | 15 | Southport | 1:17.81 |
| 1 | 2 | Georgia Hytner | 15 | Wirral Metro | 1:17.50 |
| 2 | 3 | Amelia Wright | 15 | Atlantis | 1:17.21 |
| 3 | 4 | Eleanor Howcroft | 15 | York City | 1:17.12 |
| 4 | 5 | Katherine Russell | 15 | Co Leeds | 1:15.60 |
| 5 | 6 | Sophie Payne | 15 | Hatfield | 1:16.65 |
| 6 | 7 | Olivia Jay | 15 | Halesowen | 1:17.16 |
| 7 | 8 | Caitlyn Shingler | 15 | Warrington W | 1:17.49 |
| 8 | 9 | Amy Corcoran | 15 | KingstonHull | 1:17.55 |
| 9 | 10 | Grace Poynter | 15 | Plymouth Lea | 1:18.86 |