| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Illizane Pinfold | 15 | Co Oxford | 1:15.43 |
| 1 | 2 | Aimee Watson | 15 | Inverclyde | 1:14.98 |
| 2 | 3 | Lucy Cannavan | 15 | Aquabears | 1:14.11 |
| 3 | 4 | Imogen Lambert | 15 | Mt Kelly | 1:13.94 |
| 4 | 5 | Eliza Powell | 15 | Bromley | 1:13.89 |
| 5 | 6 | Olivia Herron | 15 | Stockport Mo | 1:13.90 |
| 6 | 7 | Georgia Gussey | 15 | Co Bristol | 1:14.09 |
| 7 | 8 | Molly Monk | 15 | Dereham | 1:14.79 |
| 8 | 9 | Emily Farr | 15 | Ellesmere Co | 1:15.39 |
| 9 | 10 | Ella Bainbridge | 15 | Donc Dartes | 1:15.56 |