| 1 | Bryan Eng | 1:35.51 | 1:43.56 | 1:50.09 1:45.07 1:35.51 — — |
| 2 | Harrison Jonathan Newbery-Chunn | 1:42.85 | 1:51.11 | 1:57.26 1:42.85 1:53.22 — — |
| 3 | Sora Sato | 1:49.91 | 1:51.89 | 1:51.93 1:49.91 1:53.84 — — |
| 4 | Cass Hopkins | 1:54.33 | 1:59.90 | 2:03.82 1:54.33 2:01.56 — — |
| 5 | Oliver Stanley | 2:18.31 | 2:32.36 | 2:40.40 2:18.31 2:38.36 — — |
| 6 | Noah Smith | 2:32.21 | 2:44.16 | 2:54.59 2:45.67 2:32.21 — — |
| 7 | Rhys Lloyd | 2:42.20 | 2:46.29 | 2:42.20 2:46.69 2:49.99 — — |
| 8 | James Kirschner | 2:26.65 | 2:47.05 | 2:26.65 3:05.60 2:48.90 — — |
| 9 | Martin Henry | 2:43.53 | 2:47.45 | 2:44.59 2:54.22 2:43.53 — — |
| 10 | Fiona Wang | 3:00.71 | 3:07.66 | 3:18.79 3:03.47 3:00.71 — — |
| 11 | Harry Adler | 3:19.19 | 3:31.39 | 3:19.19 3:22.21 3:52.76 — — |
| 12 | Nuaim Nukman Bin Mohmad Sah | 2:43.38 | 3:51.83 | 2:43.38 2:55.84 5:56.28 — — |
| 13 | Jeremiah Cass | 3:37.15 | — | 3:37.15 — — — — |
| 14 | Daniel Shin | 3:44.67 | — | 3:44.67 — — — — |
| 15 | Mason Izzard | 3:44.73 | — | 3:44.73 — — — — |
| 16 | Jacob Davy | 4:36.30 | — | 4:36.30 — — — — |
| 17 | Gavin Chung | 4:48.42 | — | 4:48.42 — — — — |
| 18 | Ivan Wang | 4:56.02 | — | 4:56.02 — — — — |
| 19 | Emerson Owen | 5:39.43 | — | 5:39.43 — — — — |
| 20 | John Cook | 7:08.15 | — | 7:08.15 — — — — |
| 21 | Charlie Ford | 7:20.71 | — | 7:20.71 — — — — |
| 22 | Hamilton Mui | 8:41.81 | — | 8:41.81 — — — — |
| 23 | Jackson Abbott | DNF | — | DNF — — — — |
| 23 | Dylan Fletcher | DNF | — | DNF — — — — |
| 23 | James Wang | DNF | — | DNF — — — — |