| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Imogen Burger | 16 | Corby | 1:38.02 |
| 2 | 2 | Nika Buhharova | 16 | Corby | 1:36.26 |
| 3 | 3 | Evelyn Coppa | 16 | Corby | 1:27.46 |
| 4 | 4 | Alice Wallinger | 16 | Wellingboro | 1:17.26 |
| 5 | 5 | Kaia Dawson | 16 | Corby | 1:27.25 |
| 6 | 6 | Evie Reamsbottom | 16 | Daventry | 1:29.81 |
| 7 | 7 | Olivia Hajo | 16 | Corby | 1:36.28 |
| 8 | 8 | Sophia Meulle | 16 | Daventry | 1:38.12 |