| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Mia Palmer | 11 | Poole | 1:48.01 |
| 2 | 2 | Amelia Newsum | 11 | S Bournem'th | 1:45.06 |
| 3 | 3 | Tabitha Buchan-Moore | 11 | West Dorset | 1:41.07 |
| 4 | 4 | Daria Korotkova | 11 | Poole | 1:36.87 |
| 5 | 5 | Layla Wareing | 11 | West Dorset | 1:37.03 |
| 6 | 6 | Daisy Kirkpatrick | 11 | Wareham | 1:43.51 |
| 7 | 7 | Isabelle Macrae | 11 | S Bournem'th | 1:47.60 |
| 8 | 8 | Theia Bull | 11 | Poole | 1:48.22 |