| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Harry Stewart | 18 | West Dorset | 25.17 |
| 2 | 2 | Robbie Hemmings | 18 | Poole | 25.12 |
| 3 | 3 | Matthew Workman | 18 | Bourmth Coll | 24.90 |
| 4 | 4 | Gabriel Knight | 17 | S Bournem'th | 24.66 |
| 5 | 5 | Isaac Ellis | 18 | Seagulls SC | 24.89 |
| 6 | 6 | Kai Weeks | 19 | Bourmth Coll | 25.05 |
| 7 | 7 | Alexander Peaty | 18 | Wareham | 25.12 |
| 8 | 8 | Oliver Jones | 17 | Poole | 25.45 |