| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isla Robertson | 13 | Northampton | 38.34 |
| 2 | 2 | Alice Wallinger | 13 | Wellingboro | 36.96 |
| 3 | 3 | Isabella Bishop | 13 | Rushden | 36.37 |
| 4 | 4 | Orna Lett | 13 | Daventry | 34.25 |
| 5 | 5 | Hannah Marsden | 13 | Daventry | 35.55 |
| 6 | 6 | Mia Allan | 13 | Northampton | 36.38 |
| 7 | 7 | Maddie Walden | 13 | Northampton | 38.07 |
| 8 | 8 | Natalia Barchan | 13 | Wellingboro | 39.27 |