| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lucy ABBOTT | 12 | Grantham | 1:34.67 |
| 2 | 2 | Georgia MIDDLETON | 12 | Louth | 1:32.59 |
| 3 | 3 | Annie WEBSTER | 12 | Grantham | 1:30.37 |
| 4 | 4 | Emily TALKES | 12 | Lincoln Vulc | 1:16.65 |
| 5 | 5 | Lottie Ava FLATTERS | 12 | Deepings | 1:28.61 |
| 6 | 6 | Annabel SHEPHERD | 12 | Deepings | 1:32.18 |
| 7 | 7 | Ava MALLOWS | 12 | Louth | 1:34.36 |
| 8 | 8 | Charlotte BROWNLESS | 12 | Lincoln TSA | 1:35.73 |