| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Freya Colbert | 04 | L'borogh PC | 55.44 |
| 2 | 2 | Abbie Wood | 99 | L'borogh PC | 55.34 |
| 3 | 3 | Freya Anderson | 01 | Bath PC | 55.01 |
| 4 | 4 | Anna Hopkin | 96 | L'borogh PC | 53.68 |
| 5 | 5 | Eva Okaro | 06 | Repton | 54.60 |
| 6 | 6 | Isabella Hindley | 96 | L'borogh PC | 55.12 |
| 7 | 7 | Lucy Hope | 97 | UniOfStirl | 55.40 |
| 8 | 8 | Evelyn Davis | 04 | UniOfStirl | 55.51 |