| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Isabel Harry | 14 | Staines | 1:09.27 |
| 1 | 2 | Delphine Little | 14 | Co Oxford | 1:08.76 |
| 2 | 3 | Gerda Vasiliauskaite | 14 | Ellesmere Co | 1:08.40 |
| 3 | 4 | Erin Donnelly | 14 | Bo Stockton | 1:07.86 |
| 4 | 5 | Mimi Morley Iszatt | 14 | Co Oxford | 1:06.11 |
| 5 | 6 | Amelia Moule | 14 | Romford Town | 1:07.68 |
| 6 | 7 | Kate Baxter | 14 | Soton Dolp | 1:08.21 |
| 7 | 8 | Abbie Wyatt | 14 | Southport | 1:08.49 |
| 8 | 9 | Annabel McCrory | 14 | Derwentside | 1:08.88 |
| 9 | 10 | Taylor Williams | 14 | Brompton | 1:09.30 |