| Name | Age | Club | Time | Splits | ||||
| 1 | Sam Harr | ison | 9 Inca | 49.15 | 1:41.59 | 2:35.80 | 3:20.30 | |
| 2 | Robert M | athi | son 9 Ekas | 49.94 | 1:42.21 | 2:45.01 | 3:33.54 | |
| 3 | Alasdair | Fin | lay 9 Allo | 56.02 | 1:50.86 | 2:53.11 | 3:46.12 | |
| -- | Cameron | Palm | r 9 Bell | ks | 1:20.64 | 2:34.13 | 3:58.65 | DQ |
| -- | Max Gold | 9 Bell | ks | 1:22.96 | 4:07.06 | DQ | ||