| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Orla Whittaker | 16 | Seagulls SC | 29.56 |
| 2 | 2 | Grace Chaffey | 16 | West Dorset | 29.50 |
| 3 | 3 | Millie Long | 16 | S Bournem'th | 29.01 |
| 4 | 4 | Lauren Osgood | 16 | West Dorset | 28.56 |
| 5 | 5 | Betsy Vavasour | 16 | Poole | 28.62 |
| 6 | 6 | Amelia Chaffey | 16 | West Dorset | 29.26 |
| 7 | 7 | Zoe Steele | 16 | Poole | 29.52 |
| 8 | 8 | Tilly McHugh | 16 | Poole | 30.00 |