| 1 | Jack McDougall | 54.42 | 1:03.60 | 1:01.87 54.42 1:01.43 1:10.06 1:07.50 |
| 2 | Matthew Yang | 1:06.46 | 1:10.91 | 1:27.79 1:12.92 1:06.95 1:12.87 1:06.46 |
| 3 | Liam Wadek | 1:04.34 | 1:12.76 | 1:26.36 1:10.63 1:16.05 1:04.34 1:11.60 |
| 4 | Alex Asbery | 1:11.67 | 1:19.12 | 1:11.67 1:22.33 1:27.63 1:13.36 1:21.68 |
| 5 | Vincent Da Col | 1:16.61 | 1:22.23 | 1:23.36 1:16.61 1:23.94 1:19.40 1:24.97 |
| 6 | Jack Maddigan | 1:17.93 | 1:22.24 | 1:25.72 1:29.05 1:17.96 1:17.93 1:23.05 |
| 7 | Dylan Himmelfarb | 1:23.84 | 1:29.45 | 1:28.67 1:31.36 1:28.32 1:23.84 1:40.14 |
| 8 | Harry Davies | 1:31.23 | 1:35.29 | 1:31.23 1:32.81 1:33.15 1:39.91 1:49.94 |
| 9 | James Moore | 1:19.29 | 1:39.21 | 1:36.19 1:43.87 1:19.29 1:37.56 1:46.04 |
| 10 | Zack Aden | 1:26.19 | 1:42.46 | 1:41.23 1:44.34 1:26.19 1:49.87 1:41.81 |
| 11 | Luke Steele | 1:29.16 | 1:42.55 | 1:48.22 1:47.65 1:31.79 2:05.85 1:29.16 |
| 12 | Aneurin Hunt | 1:35.86 | 1:44.21 | 1:35.86 2:09.02 1:49.36 1:41.96 1:41.31 |
| 13 | William Jackson | 1:46.18 | 1:55.22 | 2:03.92 1:46.18 1:59.58 1:53.86 1:52.23 |
| 14 | Kieran Wells | 2:31.27 | 2:39.67 | 2:48.52 2:36.86 2:33.63 2:31.27 2:51.53 |
| 15 | Joe South | 2:26.53 | 2:48.28 | 2:41.11 3:03.39 2:46.43 2:57.29 2:26.53 |
| 16 | Stefán Dagur Pálmason | 2:45.49 | 3:01.10 | 3:15.08 2:47.98 3:00.23 2:45.49 DNF |
| 17 | Terence Brown | 3:22.39 | — | 3:49.99 3:22.39 — — — |