| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Rowan White | 18 | Rushden | 29.69 |
| 2 | 2 | Holly Hayle | 17 | Northampton | 29.52 |
| 3 | 3 | Ella Newton | 17 | Corby | 29.27 |
| 4 | 4 | Betsy Wizard | 23 | Northampton | 28.35 |
| 5 | 5 | Grace Wingham | 19 | Corby | 28.70 |
| 6 | 6 | Faye Eyton-Jones | 17 | Corby | 29.37 |
| 7 | 7 | Chloe Pow | 18 | Rushden | 29.57 |
| 8 | 8 | Gracie Ridout | 21 | Wellingboro | 29.75 |