| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Willow Lera | 13 | Rushden | 1:15.50 |
| 2 | 2 | Poppy Okeife | 13 | Daventry | 1:13.59 |
| 3 | 3 | Abigail Tomlinson | 13 | Corby | 1:11.56 |
| 4 | 4 | Riley Weber | 13 | Corby | 1:08.43 |
| 5 | 5 | Vida Coulson | 13 | Northampton | 1:08.84 |
| 6 | 6 | Everly Favier | 13 | Wellingboro | 1:11.86 |
| 7 | 7 | Eleni Williams | 13 | Corby | 1:14.56 |
| 8 | 8 | Emma Chirila | 13 | Kettering | 1:16.31 |