| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | S Monera-Cabarique | 17 | Poole | 31.00 |
| 2 | 2 | Hester Mugford | 18 | Wareham | 30.78 |
| 3 | 3 | Lauren McRobbie | 19 | West Dorset | 29.42 |
| 4 | 4 | Catherine Eland | 18 | Poole | 28.88 |
| 5 | 5 | Ella Chown | 19 | S Bournem'th | 29.06 |
| 6 | 6 | Ella McNamara | 19 | Poole | 29.84 |
| 7 | 7 | Amy Brown | 18 | S Bournem'th | 30.92 |
| 8 | 8 | Rachel Pope | 18 | Poole | 31.09 |