| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Alice Wallinger | 13 | Wellingboro | 1:13.31 |
| 2 | 2 | Mia Allan | 13 | Northampton | 1:10.33 |
| 3 | 3 | Orna Lett | 13 | Daventry | 1:09.55 |
| 4 | 4 | Maddie Walden | 13 | Northampton | 1:08.43 |
| 5 | 5 | Isabella Bishop | 13 | Rushden | 1:08.92 |
| 6 | 6 | Isla Robertson | 13 | Northampton | 1:09.95 |
| 7 | 7 | Maddie Taylor | 13 | Corby | 1:11.80 |
| 8 | 8 | Kaia Dawson | 13 | Corby | 1:14.78 |