| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lauren James | 15 | Bourmth Coll | 1:30.82 |
| 2 | 2 | Abigail Sedwards | 15 | West Dorset | 1:28.69 |
| 3 | 3 | Poppy Bleazard | 15 | Poole | 1:25.31 |
| 4 | 4 | Eva Hourigan | 15 | S Bournem'th | 1:19.48 |
| 5 | 5 | Isla McPhail | 15 | West Dorset | 1:23.11 |
| 6 | 6 | Lilly Davies | 15 | West Dorset | 1:27.52 |
| 7 | 7 | Natalia Baran | 15 | Poole | 1:29.35 |
| 8 | 8 | Honor Whitehand | 15 | Bourmth Coll | 1:32.09 |