| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Jessica Barrett | 11 | Kettering | 1:25.78 |
| 2 | 2 | Carys Thomas | 11 | Nene Valley | 1:24.75 |
| 3 | 3 | Cadence Flynn | 11 | Northampton | 1:24.06 |
| 4 | 4 | Phillippa Cutmore | 11 | Corby | 1:17.81 |
| 5 | 5 | Martha Booker | 11 | Wellingboro | 1:23.64 |
| 6 | 6 | A Thorpe-Williams | 11 | Northampton | 1:24.27 |
| 7 | 7 | Neve Booker | 11 | Wellingboro | 1:25.45 |
| 8 | 8 | Isabelle Pawlowski | 11 | Corby | 1:27.65 |