| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Tilly McHugh | 16 | Poole | 1:06.22 |
| 2 | 2 | Zoe Steele | 16 | Poole | 1:04.79 |
| 3 | 3 | Amelia Chaffey | 16 | West Dorset | 1:03.40 |
| 4 | 4 | Betsy Vavasour | 16 | Poole | 1:01.90 |
| 5 | 5 | Lauren Osgood | 16 | West Dorset | 1:02.34 |
| 6 | 6 | Millie Long | 16 | S Bournem'th | 1:04.71 |
| 7 | 7 | Grace Chaffey | 16 | West Dorset | 1:05.57 |
| 8 | 8 | Orla Whittaker | 16 | Seagulls SC | 1:06.74 |