| Name | Age | Club | Time | Splits | ||
| 1 | Jamie Wilmshurst | 14 | Dun City Aqu | 1:05.08 | 31.89 | 1:05.08 |
| 2 | Joe Lipworth | 14 | Dun City Aqu | 1:05.32 | 32.07 | 1:05.32 |
| 3 | Sam George | 14 | Sas | 1:05.62 | 32.50 | 1:05.62 |
| 4 | Andrew Thomson | 14 | Sas | 1:06.83 | 33.17 | 1:06.83 |
| 5 | Stephen Milne | 13 | Perth City | 1:08.82 | 34.10 | 1:08.82 |
| 6 | Chris Williams | 14 | Sas | 1:12.55 | 36.74 | 1:12.55 |