| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Chloe Pow | 15 | Rushden | 1:21.30 |
| 2 | 2 | Grace Grindrod | 15 | Northampton | 1:20.95 |
| 3 | 3 | Annabel Coleman | 15 | Rushden | 1:17.66 |
| 4 | 4 | Ella Mae Prior | 15 | Corby | 1:17.12 |
| 5 | 5 | Chloe Tangayi | 15 | Northampton | 1:17.50 |
| 6 | 6 | Emily Achurch | 15 | Northampton | 1:18.36 |
| 7 | 7 | Maddison Wiseman-Hay | 15 | Corby | 1:21.24 |
| 8 | 8 | Evie Stanley | 15 | Corby | 1:21.46 |