| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lucy ABBOTT | 12 | Grantham | 1:25.52 |
| 2 | 2 | Annie WEBSTER | 12 | Grantham | 1:24.94 |
| 3 | 3 | Freya SHARPE | 12 | Lincoln Vulc | 1:23.13 |
| 4 | 4 | Emily TALKES | 12 | Lincoln Vulc | 1:18.39 |
| 5 | 5 | Evie NEWMAN | 12 | Lincoln Vulc | 1:23.02 |
| 6 | 6 | Remi BERRY | 12 | Co Lincoln P | 1:24.72 |
| 7 | 7 | Lucy JENKINSON | 12 | Deepings | 1:24.98 |
| 8 | 8 | Isla LORMOR | 12 | Gainsborough | 1:26.18 |