| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lola Chadwick-Woolf | 10 | Wellington M | 45.17 |
| 2 | 2 | Lottie Barrett | 11 | Newport | 44.48 |
| 3 | 3 | Beatrice Rumford-Warr | 11 | Wrekin SC | 42.33 |
| 4 | 4 | Scarlett Plimmer | 10 | Wellington M | 38.13 |
| 5 | 5 | Demi Vincent | 11 | Newport | 39.10 |
| 6 | 6 | Charlotte Furniss | 10 | Newport | 43.89 |
| 7 | 7 | Phoebe Ellis | 11 | Wrekin SC | 44.58 |
| 8 | 8 | Rose Bayle | 11 | Wrekin SC | 46.59 |