| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | William Caplen | 17 | Bridport Bar | 1:03.72 |
| 2 | 2 | Matthew Workman | 18 | Bourmth Coll | 1:03.00 |
| 3 | 3 | Lawrence Elliott | 17 | Seagulls SC | 1:02.11 |
| 4 | 4 | Sonny Chamberlain-Hyde | 19 | Seagulls SC | 59.15 |
| 5 | 5 | Gabriel Knight | 17 | S Bournem'th | 59.50 |
| 6 | 6 | Oliver Jones | 17 | Poole | 1:02.24 |
| 7 | 7 | Isaac Ellis | 18 | Seagulls SC | 1:03.71 |
| 8 | 8 | Finley Chandler | 17 | Wareham | 1:06.32 |