| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Natalia Baran | 15 | Poole | 1:19.05 |
| 2 | 2 | Eva Hourigan | 15 | S Bournem'th | 1:18.96 |
| 3 | 3 | Lilly Davies | 15 | West Dorset | 1:15.90 |
| 4 | 4 | Poppy Bleazard | 15 | Poole | 1:14.43 |
| 5 | 5 | Abigail Sedwards | 15 | West Dorset | 1:14.79 |
| 6 | 6 | Erin Smith | 15 | S Bournem'th | 1:18.47 |
| 7 | 7 | Antonia Bright | 15 | N Dorset SC | 1:19.04 |
| 8 | 8 | Mabel Reinelt | 15 | Wareham | 1:19.20 |