| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Mya Blair | 11 | Corby | 37.96 |
| 2 | 2 | Jessica Barrett | 11 | Kettering | 37.83 |
| 3 | 3 | Martha Booker | 11 | Wellingboro | 37.33 |
| 4 | 4 | Phillippa Cutmore | 11 | Corby | 34.50 |
| 5 | 5 | Carys Thomas | 11 | Nene Valley | 35.42 |
| 6 | 6 | Cadence Flynn | 11 | Northampton | 37.68 |
| 7 | 7 | Elisa Giraud | 11 | Kettering | 37.91 |
| 8 | 8 | A Thorpe-Williams | 11 | Northampton | 38.09 |