| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Erin ARCHER | 13 | Co Lincoln P | 1:23.14 |
| 2 | 2 | Amelia BIRD | 13 | Skegness | 1:18.88 |
| 3 | 3 | Maisie MATTHEWS | 13 | Louth | 1:17.06 |
| 4 | 4 | Suzanna BURKE | 13 | Louth | 1:13.19 |
| 5 | 5 | Ellena HOWITT | 13 | Grantham | 1:15.08 |
| 6 | 6 | Sophie ALLISTON | 13 | Deepings | 1:18.77 |
| 7 | 7 | Amy TAYLOR | 13 | Grantham | 1:19.34 |
| 8 | 8 | Lucy WILLATTS | 13 | Grantham | 1:24.28 |