| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Esmie Haines | 10 | Northampton | 3:46.78 |
| 2 | 2 | Martha Booker | 11 | Wellingboro | 3:23.19 |
| 3 | 3 | A Thorpe-Williams | 11 | Northampton | 3:22.07 |
| 4 | 4 | Phillippa Cutmore | 11 | Corby | 3:15.84 |
| 5 | 5 | Neve Booker | 11 | Wellingboro | 3:16.00 |
| 6 | 6 | Cadence Flynn | 11 | Northampton | 3:22.60 |
| 7 | 7 | Isabelle Pawlowski | 11 | Corby | 3:37.85 |