| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Athena CROMPTON | 14 | Thanet Swim | 1:13.79 |
| 2 | 2 | Scarlett DAVIE | 14 | White Oak | 1:12.92 |
| 3 | 3 | Emilia OLIVER | 14 | RTW Monson | 1:08.93 |
| 4 | 4 | Martyna KARABACZ | 14 | Gwich Royals | 1:07.97 |
| 5 | 5 | I NIGHTINGALE-ELLIS | 14 | RTW Monson | 1:08.34 |
| 6 | 6 | Esenia BUSHMINA | 14 | Erith & Dist | 1:12.61 |
| 7 | 7 | Evie POTTICARY | 14 | Thanet Swim | 1:13.71 |
| 8 | 8 | Ruth GODFREY | 14 | Sevenoaks | 1:14.72 |