| Name | Age | Club | Time | Splits | ||
| 1 | Elliot Martin | 12 | Coast | 1:00.48 | 28.99 | 1:00.48 |
| 2 | Ewan Simpson | 12 | Kinross | 1:07.89 | 33.02 | 1:07.89 |
| 3 | Roddy Horne | 12 | Perth City | 1:08.87 | 33.41 | 1:08.87 |
| 4 | Timothy McGovern | 12 | Coast | 1:09.47 | 33.64 | 1:09.47 |
| 5 | Alex Sharpe | 12 | Dun City Aqu | 1:13.94 | 35.40 | 1:13.94 |
| 6 | Lewis Proctor | 11 | Coast | 1:15.64 | 35.72 | 1:15.64 |