| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Sholah Robinson | 06 | Co Sheffield | 57.39 |
| 2 | 2 | Libby Broder | 06 | Co Cardiff | 57.20 |
| 3 | 3 | Izabella Okaro | 06 | Repton | 57.06 |
| 4 | 4 | Phoebe Cooper | 08 | Co Sheffield | 56.59 |
| 5 | 5 | Hollie Wilson | 08 | Co Leeds | 57.00 |
| 6 | 6 | Annabelle Compton | 08 | Wycombe Dist | 57.10 |
| 7 | 7 | Hollie Widdows | 06 | Mt Kelly | 57.27 |
| 8 | 8 | Theodora Taylor | 09 | Torfaen D | 57.45 |