| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Olivia Lee | 13 | Chalfont | 1:08.31 |
| 1 | 2 | Jo Hobsley | 13 | Barnet Copt | 1:07.46 |
| 2 | 3 | Ella Bainbridge | 13 | Cleethorpes | 1:07.40 |
| 3 | 4 | Oriana Noel | 13 | Plymouth Lea | 1:06.65 |
| 4 | 5 | Chiara Tommasello | 13 | Co Manch Aq | 1:04.88 |
| 5 | 6 | Freya Colbert | 13 | Grantham | 1:06.44 |
| 6 | 7 | Milly Boulding | 13 | Bo Kirklees | 1:06.73 |
| 7 | 8 | Skye McLaughlin | 13 | TauntonDeane | 1:07.45 |
| 8 | 9 | Libby Harris | 13 | Leatherhead | 1:07.88 |
| 9 | 10 | Emily Chapman | 13 | Dinnaton | 1:08.33 |