| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Holly Kearns | 14 | West Dorset | 40.35 |
| 2 | 2 | Freya Coupe | 14 | Poole | 39.51 |
| 3 | 3 | Jessica Huggins | 14 | Poole | 39.06 |
| 4 | 4 | Lottie Vavasour | 14 | Poole | 38.20 |
| 5 | 5 | Polly Ghandour | 14 | Poole | 38.52 |
| 6 | 6 | Holly Olding | 14 | Poole | 39.17 |
| 7 | 7 | Anna Miles-Simmonite | 14 | West Dorset | 39.67 |
| 8 | 8 | Kira Burghart | 14 | S Bournem'th | 40.55 |