| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Henry Dean | 14 | Wareham | 28.65 |
| 2 | 2 | George Honor | 14 | Seagulls SC | 27.96 |
| 3 | 3 | Cody Collins | 14 | Poole | 27.52 |
| 4 | 4 | Finley Lock | 14 | Seagulls SC | 26.66 |
| 5 | 5 | Hugo Young | 14 | S Bournem'th | 26.71 |
| 6 | 6 | Oscar Smith | 14 | West Dorset | 27.96 |
| 7 | 7 | Toby Lacey | 14 | S Bournem'th | 28.35 |
| 8 | 8 | Harry Cutbush | 14 | Poole | 28.71 |