| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Louise DONAGHY | 13 | Modernian | 1:21.54 |
| 2 | 2 | Lily SWAN | 13 | Dunstable | 1:20.98 |
| 3 | 3 | Abigail BRIGHT | 13 | Linslade | 1:18.87 |
| 4 | 4 | Lucy YOUNG | 13 | Modernian | 1:16.33 |
| 5 | 5 | Jessica WATSON | 13 | Modernian | 1:18.65 |
| 6 | 6 | Chloe BURNAGE | 13 | Modernian | 1:20.66 |
| 7 | 7 | Georgia FRY | 13 | Modernian | 1:21.33 |
| 8 | 8 | Eloisa MILLER | 13 | Flitwick | 1:23.51 |