| 1 | Dwyane Ramos | 1:22.38 | 1:23.98 | 1:22.47 1:27.08 1:22.38 — — |
| 2 | Henry Eyles | 1:27.43 | 1:36.21 | 1:27.43 1:46.24 1:34.96 — — |
| 3 | James Dyer | 1:30.57 | 1:40.33 | 1:49.87 1:40.56 1:30.57 — — |
| 4 | Brandon Harris | 1:49.61 | 1:51.66 | 1:53.38 1:49.61 1:52.00 — — |
| 5 | Kalvin Lum | 1:52.80 | 1:53.74 | 1:55.17 1:53.25 1:52.80 — — |
| 6 | Elyas Eyou | 1:56.14 | 1:58.92 | 1:59.49 1:56.14 2:01.14 — — |
| 7 | Liam Wadek | 1:59.08 | 2:04.33 | 1:59.08 2:08.49 2:05.42 — — |
| 8 | Jack McDougall | 1:58.87 | 2:04.80 | 2:03.66 2:11.87 1:58.87 — — |
| 9 | Riley Wicks | 2:01.79 | 2:08.53 | 2:08.77 2:01.79 2:15.02 — — |
| 10 | Lachlan Gibson | 1:51.11 | 2:14.13 | 2:39.86 2:11.42 1:51.11 — — |
| 11 | Levi Eyou | 1:42.40 | 2:16.18 | 1:44.91 1:42.40 3:21.22 — — |
| 12 | Daniel Fraser | 2:16.33 | 2:19.06 | 2:23.54 2:17.30 2:16.33 — — |
| 13 | Connor Johnson | 2:03.04 | 2:26.30 | 2:38.02 2:37.85 2:03.04 — — |
| 14 | Ashley Foster | 2:24.08 | 2:29.15 | 2:24.08 2:28.45 2:34.93 — — |
| 15 | Alex Asbery | 2:25.92 | 2:31.64 | 2:34.89 2:25.92 2:34.11 — — |
| 16 | Henry Rutland | 2:24.79 | 2:33.15 | 2:31.57 2:43.09 2:24.79 — — |
| 17 | Yuki Gao | 2:20.99 | 2:36.14 | 2:41.27 2:20.99 2:46.17 — — |
| 18 | Xavier Courteau-Laing | 2:28.48 | 2:36.53 | 2:37.40 2:28.48 2:43.70 — — |
| 19 | Vincent Da Col | 2:31.42 | 2:38.32 | 2:51.60 2:31.94 2:31.42 — — |
| 20 | Cheng-Ru Yang | 2:18.25 | 2:38.33 | 2:50.66 2:46.09 2:18.25 — — |
| 21 | James Moore | 2:43.85 | 2:44.55 | 2:44.93 2:43.85 2:44.88 — — |
| 22 | Aneurin Hunt | 2:45.03 | 2:48.76 | 2:45.03 2:55.51 2:45.73 — — |
| 23 | Oliver Ren | 2:49.26 | 2:53.86 | 2:49.65 2:49.26 3:02.67 — — |
| 24 | Luke Steele | 2:53.40 | 3:01.53 | 2:53.40 3:04.81 3:06.38 — — |
| 25 | Theo Barton | 2:49.60 | 3:09.65 | 2:49.60 2:58.31 3:41.05 — — |
| 26 | Dylan Himmelfarb | 3:00.18 | — | 3:00.18 — — — — |
| 27 | Julian Sico | 3:04.60 | — | 3:04.60 — — — — |
| 28 | Harry Davies | 3:05.61 | — | 3:05.61 — — — — |
| 29 | Oscar Childs | 3:08.72 | — | 3:08.72 — — — — |
| 30 | Kayden Loke Zheng An | 3:09.01 | — | 3:09.01 — — — — |
| 31 | Eunwoo Ahn (안은우) | 3:14.70 | — | 3:14.70 — — — — |
| 32 | Jack Maddigan | 3:16.73 | — | 3:16.73 — — — — |
| 33 | Harrison Marsden | 3:38.07 | — | 3:38.07 — — — — |
| 34 | Jacob Coring | DNF | — | DNF — — — — |
| 34 | Thomas Kilbey | DNF | — | DNF — — — — |
| 34 | Dylan Heerikhuisen | DNF | — | DNF — — — — |
| 34 | Beau Brittain-Modesto | DNF | — | DNF — — — — |
| 34 | Joshua Benjamin | DNF | — | DNF — — — — |
| 34 | Tom Nelson | DNF | — | DNF — — — — |
| 34 | Gabe Smith | DNF | — | DNF — — — — |
| 34 | Jesse Brooke | DNF | — | DNF — — — — |