| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | A Thorpe-Williams | 11 | Northampton | 1:35.40 |
| 2 | 2 | Cadence Flynn | 11 | Northampton | 1:34.95 |
| 3 | 3 | Phillippa Cutmore | 11 | Corby | 1:31.59 |
| 4 | 4 | Martha Booker | 11 | Wellingboro | 1:27.03 |
| 5 | 5 | Neve Booker | 11 | Wellingboro | 1:30.61 |
| 6 | 6 | Carys Thomas | 11 | Nene Valley | 1:34.13 |
| 7 | 7 | Esmie Haines | 10 | Northampton | 1:35.38 |
| 8 | 8 | Megan James | 10 | Wellingboro | 1:42.51 |