| Place | Name | AaD | Club | Time | FINA Pt | ||||
| 1. | Robbie Hemmings | 18 | Poole | 56.95 | 687 | ||||
| 2. | Oliver Jones | 17 | Poole | 1:00.06 | 586 | ||||
| 3. | Isaac Ellis | 18 | Seagulls SC | 1:01.07 | 557 | ||||
| 4. | Harry Stewart | 18 | West Dorset | 1:01.18 | 554 | ||||
| 5. | Lawrence Elliott | 17 | Seagulls SC | 1:01.70 | 540 | ||||
| 6. | Luca Parkes | 17 | S Bournem'th | 1:04.55 | 472 | ||||
| Matthew Workman | 18 | Bourmth Coll | DNC | ||||||
| Alexander Peaty | 18 | Wareham | DNC |