| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Mia Allan | 13 | Northampton | 1:44.76 |
| 2 | 2 | Evelyn Coppa | 13 | Corby | 1:37.60 |
| 3 | 3 | Orna Lett | 13 | Daventry | 1:33.45 |
| 4 | 4 | Alice Wallinger | 13 | Wellingboro | 1:28.80 |
| 5 | 5 | Grace Faulkner | 13 | Corby | 1:33.31 |
| 6 | 6 | Evie Reamsbottom | 13 | Daventry | 1:34.26 |
| 7 | 7 | Hannah Marsden | 13 | Daventry | 1:40.27 |
| 8 | 8 | Isla Robertson | 13 | Northampton | 1:46.50 |