| Place | Name | AaD | Club | Time | FINA Pt | 50 | ||||
| 1. | Isabella Bishop | 13 | Rushden | 1:18.46 | 353 | 37.34 | ||||
| 2. | Orna Lett | 13 | Daventry | 1:18.47 | 353 | 37.63 | ||||
| 3. | Maddie Walden | 13 | Northampton | 1:22.38 | 305 | 39.33 | ||||
| 4. | Hannah Marsden | 13 | Daventry | 1:24.46 | 283 | 38.05 | ||||
| 5. | Mia Allan | 13 | Northampton | 1:25.73 | 271 | 40.12 | ||||
| 6. | Alice Wallinger | 13 | Wellingboro | 1:26.56 | 263 | 39.97 | ||||
| 7. | Isla Robertson | 13 | Northampton | 1:28.28 | 248 | 40.20 | ||||
| 8. | Charlotte Ellis | 13 | Northampton | 1:30.93 | 227 | 43.33 |