| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lexie HAMILTON | 15 | South Lincs | 1:17.89 |
| 2 | 2 | Sophie WARD | 15 | Grantham | 1:17.45 |
| 3 | 3 | Corey FARLEY | 15 | Deepings | 1:11.87 |
| 4 | 4 | Grace MACDONALD | 15 | Grantham | 1:11.28 |
| 5 | 5 | Hannah BRUCE | 15 | South Lincs | 1:11.45 |
| 6 | 6 | Megan BROWN | 15 | Grantham | 1:12.31 |
| 7 | 7 | Helena FIELD | 15 | Louth | 1:17.56 |
| 8 | 8 | Emily BRIGGS | 15 | South Lincs | 1:17.97 |