| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Amy Gooch | 18 | Poole | 1:11.69 |
| 2 | 2 | Emily McWilliam | 17 | Seagulls SC | 1:10.46 |
| 3 | 3 | Ella Chown | 19 | S Bournem'th | 1:09.03 |
| 4 | 4 | Amy Brown | 18 | S Bournem'th | 1:06.48 |
| 5 | 5 | Catherine Eland | 18 | Poole | 1:08.37 |
| 6 | 6 | Aimie Quarrie | 18 | Poole | 1:09.77 |
| 7 | 7 | Ella McNamara | 19 | Poole | 1:10.77 |
| 8 | 8 | Mackenzi Ashford | 17 | S Bournem'th | 1:11.79 |