| 1 | Hayden Ng (吳宇晞) | 1:29.53 | 1:32.07 | 1:29.92 1:36.75 1:29.53 — — |
| 2 | Jamie Otsu | 1:50.30 | 1:54.96 | 1:55.49 1:59.09 1:50.30 — — |
| 3 | Hao Do | 2:06.12 | 2:12.70 | 2:08.98 2:23.00 2:06.12 — — |
| 4 | Jayden McNeill | 2:08.78 | 2:16.03 | 2:08.78 2:15.96 2:23.36 — — |
| 5 | Bryce Ballam | 2:17.03 | 2:19.73 | 2:20.69 2:21.46 2:17.03 — — |
| 6 | Charlie Eggins | 2:22.94 | 2:35.21 | 2:22.94 2:45.18 2:37.52 — — |
| 7 | Tommas Austin-Milne | 2:34.40 | 2:55.66 | 2:34.40 3:03.00 3:09.58 — — |
| 8 | Mitchell Anderson | 2:55.56 | 2:59.30 | 2:58.87 2:55.56 3:03.48 — — |
| 9 | Lucas Otsu | 3:01.48 | 3:07.40 | 3:04.05 3:16.67 3:01.48 — — |
| 10 | Connor Sharpe | 3:11.86 | 3:37.70 | 4:10.17 3:31.08 3:11.86 — — |
| 11 | Kaidyn De Luca-Mazza | 3:35.41 | 3:42.46 | 3:55.49 3:36.49 3:35.41 — — |
| 12 | Laura Ting | 4:10.57 | 4:31.90 | 4:38.39 4:46.75 4:10.57 — — |
| 13 | Charlie Shulman | 7:27.83 | 8:05.84 | 9:00.68 7:27.83 7:49.00 — — |
| 14 | Toby Seufert | 3:00.33 | DNF | 3:00.33 DNF DNS — — |
| 15 | Ming Dao Ting | 3:05.59 | DNF | 3:05.59 3:29.43 DNS — — |
| 16 | Shen Flindell | 3:25.40 | DNF | 3:25.40 3:51.59 DNF — — |
| 17 | Samuel Michael Gaffney | 3:33.40 | DNF | 3:33.40 3:33.60 DNS — — |
| 18 | Billy Chapman | DNF | DNF | DNF DNS DNS — — |