| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Evie Stanley | 15 | Corby | 36.62 |
| 2 | 2 | Megan Thomas | 15 | Daventry | 34.96 |
| 3 | 3 | Chloe Pow | 15 | Rushden | 33.76 |
| 4 | 4 | Chloe Tangayi | 15 | Northampton | 33.13 |
| 5 | 5 | Rowan White | 15 | Rushden | 33.38 |
| 6 | 6 | Charlotte Jarman | 15 | Nene Valley | 33.95 |
| 7 | 7 | Alice Berrill | 15 | Daventry | 36.26 |
| 8 | 8 | Maddison Wiseman-Hay | 15 | Corby | 37.03 |