| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Erin ARCHER | 11 | Co Lincoln P | 1:34.44 |
| 2 | 2 | Amy TAYLOR | 11 | Grantham | 1:31.59 |
| 3 | 3 | Ellena HOWITT | 11 | Grantham | 1:25.53 |
| 4 | 4 | Kitty LAMB | 11 | South Lincs | 1:16.96 |
| 5 | 5 | Maisie MATTHEWS | 11 | Louth | 1:22.37 |
| 6 | 6 | Suzanna BURKE | 11 | Louth | 1:27.23 |
| 7 | 7 | Lucy WILLATTS | 11 | Grantham | 1:34.12 |
| 8 | 8 | Chloe BELLIS | 11 | Deepings | 1:36.31 |