| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Harrison O'Hara | 11 | Poole | 1:40.74 |
| 2 | 2 | Leo Condie | 11 | Poole | 1:37.54 |
| 3 | 3 | Dylan Hanger | 11 | Weymouth | 1:31.37 |
| 4 | 4 | Alexander Flint | 11 | Bourmth Coll | 1:24.46 |
| 5 | 5 | Arthur Ray | 11 | West Dorset | 1:30.36 |
| 6 | 6 | Oliver Coe | 10 | Poole | 1:36.92 |
| 7 | 7 | Harry Keeping | 10 | West Dorset | 1:38.08 |