| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Grace Walkland | 13 | Daventry | 1:25.35 |
| 2 | 2 | Isla Adams | 13 | Northampton | 1:24.87 |
| 3 | 3 | Poppy Okeife | 13 | Daventry | 1:23.81 |
| 4 | 4 | Vida Coulson | 13 | Northampton | 1:16.63 |
| 5 | 5 | Riley Weber | 13 | Corby | 1:20.63 |
| 6 | 6 | Megan James | 13 | Wellingboro | 1:24.62 |
| 7 | 7 | Emma Chamberlain | 13 | Wellingboro | 1:25.33 |
| 8 | 8 | Abigail Tomlinson | 13 | Corby | 1:25.64 |