| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Ana BASCARAU | 13 | Boston | 1:27.96 |
| 2 | 2 | Lottie Ava FLATTERS | 13 | Deepings | 1:22.82 |
| 3 | 3 | Neya VERNON | 13 | Lincoln Vulc | 1:18.83 |
| 4 | 4 | Emily TALKES | 13 | Lincoln Vulc | 1:09.43 |
| 5 | 5 | Georgia MIDDLETON | 13 | Louth | 1:16.74 |
| 6 | 6 | Remi BERRY | 13 | Co Lincoln P | 1:18.95 |
| 7 | 7 | Lucy ABBOTT | 13 | Grantham | 1:24.76 |
| 8 | 8 | Annabel SHEPHERD | 13 | Deepings | 1:28.08 |