| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Ellena HOWITT | 13 | Grantham | 1:19.28 |
| 2 | 2 | Suzanna BURKE | 13 | Louth | 1:17.75 |
| 3 | 3 | Annabelle JAY | 13 | Grantham | 1:16.97 |
| 4 | 4 | Maisie MATTHEWS | 13 | Louth | 1:11.72 |
| 5 | 5 | Lucy WILLATTS | 13 | Grantham | 1:14.71 |
| 6 | 6 | Amy PALMER | 13 | Co Lincoln P | 1:17.66 |
| 7 | 7 | Erin ARCHER | 13 | Co Lincoln P | 1:19.13 |
| 8 | 8 | Darcey WOOD | 13 | Grantham | 1:21.41 |