| 1 | Jonathan Charlesworth | 1:01.17 | 1:04.55 | 1:03.23 1:06.03 1:01.17 1:06.10 1:04.40 |
| 2 | Marquez Phan | 1:05.26 | 1:09.70 | 1:09.01 1:17.57 1:05.26 1:08.17 1:11.91 |
| 3 | Joshua Hounslow | 1:09.43 | 1:12.07 | 1:09.43 1:11.60 1:13.94 1:18.06 1:10.67 |
| 4 | Charlie van Ooran | 1:08.94 | 1:16.81 | 1:23.90 1:12.45 1:26.74 1:14.09 1:08.94 |
| 5 | Zak Kenny | 1:14.38 | 1:17.73 | 1:17.34 1:15.83 1:20.02 1:21.15 1:14.38 |
| 6 | Lachlan Stephens | 1:17.65 | 1:30.90 | 1:53.27 1:18.37 2:19.79 1:21.07 1:17.65 |
| 7 | Jeremy Foott | 1:29.35 | 1:34.17 | 1:36.24 1:39.20 1:32.01 1:29.35 1:34.27 |
| 8 | Luke Burong | 1:29.58 | 1:36.84 | 1:36.72 1:42.36 1:29.58 1:35.50 1:38.29 |
| 9 | Christian Manuel de Lange | 1:35.13 | 1:40.32 | 1:56.49 1:38.44 1:47.12 1:35.40 1:35.13 |
| 10 | Benjamin Walker | 1:34.23 | 1:53.59 | 2:05.87 2:00.31 1:55.42 1:34.23 1:45.03 |
| 11 | Amy Smith | 1:56.23 | 2:04.10 | 1:57.83 1:58.00 2:16.48 1:56.23 DNF |
| 12 | James Holdsworth | 2:01.05 | 2:07.91 | 2:02.73 2:07.24 2:13.76 2:01.05 2:15.74 |
| 13 | Leo Millar | 2:01.28 | 2:15.19 | 2:18.79 2:29.92 2:13.86 2:01.28 2:12.92 |
| 14 | Sam Sieracki | 2:14.30 | 2:32.35 | 2:47.32 2:14.30 2:44.53 2:17.02 2:35.51 |
| 15 | Eshiel Benzion Narayanan | 2:29.31 | 2:36.19 | 2:51.04 2:42.66 2:35.32 2:29.31 2:30.60 |
| 16 | Lucas Buckley | 2:30.76 | 2:37.10 | 2:35.67 2:37.01 2:43.49 2:38.61 2:30.76 |
| 17 | Benjamin Shurmer | 2:22.73 | 2:48.27 | 2:36.58 2:22.73 3:40.65 2:55.48 2:52.74 |
| 18 | Jaxon Foster | 2:39.43 | 2:50.17 | 3:19.97 2:45.70 2:51.95 2:39.43 2:52.86 |
| 19 | Arthur Hansford | 2:56.58 | 3:06.07 | 2:56.58 3:19.54 3:03.02 3:04.20 3:10.99 |
| 20 | Noah Aaron Pearson | 3:06.56 | — | 3:34.54 3:06.56 — — — |
| 21 | Xavier Hurst | 3:38.75 | — | 3:38.75 DNF — — — |