| Place | Name | AaD | Club | Time | FINA Pt | ||||
| 1. | Betsy Vavasour | 16 | Poole | 1:06.41 | 564 | ||||
| 2. | Lauren Osgood | 16 | West Dorset | 1:09.93 | 483 | ||||
| 3. | Grace Chaffey | 16 | West Dorset | 1:12.55 | 433 | ||||
| 4. | Millie Long | 16 | S Bournem'th | 1:15.59 | 382 | ||||
| 5. | Sophie Nixon | 16 | Bourmth Coll | 1:16.56 | 368 | ||||
| 6. | Esme Wynn | 16 | Bridport Bar | 1:16.84 | 364 | ||||
| 7. | Tilly McHugh | 16 | Poole | 1:16.88 | 363 | ||||
| 8. | Helen Guppy | 16 | Poole | 1:18.16 | 346 |