| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Chloe Pow | 18 | Rushden | 36.12 |
| 2 | 2 | Faye Eyton-Jones | 17 | Corby | 34.89 |
| 3 | 3 | Chloe Tangayi | 18 | Northampton | 33.86 |
| 4 | 4 | Grace Wingham | 19 | Corby | 31.52 |
| 5 | 5 | Isabelle Joyner | 17 | Daventry | 33.70 |
| 6 | 6 | Ella Newton | 17 | Corby | 34.24 |
| 7 | 7 | Holly Hayle | 17 | Northampton | 35.59 |
| 8 | 8 | Alexa Parker | 17 | Corby | 36.14 |