| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Ellena HOWITT | 14 | Grantham | 35.49 |
| 2 | 2 | Darcey WOOD | 14 | Grantham | 34.85 |
| 3 | 3 | Lucy WILLATTS | 14 | Grantham | 34.19 |
| 4 | 4 | Annabelle JAY | 14 | Grantham | 32.09 |
| 5 | 5 | Maisie MATTHEWS | 14 | Louth | 32.23 |
| 6 | 6 | Suzanna BURKE | 14 | Louth | 34.25 |
| 7 | 7 | Erin ARCHER | 14 | Co Lincoln P | 35.38 |
| 8 | 8 | Amy TAYLOR | 14 | Grantham | 35.53 |