| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Erin ARCHER | 13 | Co Lincoln P | 1:35.76 |
| 2 | 2 | E LERESCHE HANDS | 13 | Grantham | 1:32.81 |
| 3 | 3 | Amy PALMER | 13 | Co Lincoln P | 1:31.16 |
| 4 | 4 | Maisie MATTHEWS | 13 | Louth | 1:22.29 |
| 5 | 5 | Amy TAYLOR | 13 | Grantham | 1:27.63 |
| 6 | 6 | Lucy WILLATTS | 13 | Grantham | 1:32.57 |
| 7 | 7 | Darcey WOOD | 13 | Grantham | 1:35.67 |
| 8 | 8 | Annabelle JAY | 13 | Grantham | 1:37.52 |