| 1 | Alexander Vujcich | 41.69 | 43.81 | 45.18 42.39 43.85 46.39 41.69 |
| 2 | Jack McDougall | 54.87 | 1:02.34 | 1:08.95 54.87 1:02.68 1:03.42 1:00.92 |
| 3 | Riley Wicks | 1:04.05 | 1:06.93 | 1:04.05 1:12.85 1:05.84 1:05.06 1:09.88 |
| 4 | James Macdiarmid | 1:04.26 | 1:10.70 | 1:15.49 1:05.72 1:04.26 1:16.82 1:10.89 |
| 5 | Dylan Himmelfarb | 1:08.48 | 1:12.02 | 1:15.20 DNF 1:08.48 1:08.86 1:12.01 |
| 6 | Alex Asbery | 1:07.53 | 1:13.86 | 1:15.11 1:09.00 1:17.48 1:27.49 1:07.53 |
| 7 | Julian Sico | 1:16.33 | 1:18.88 | 1:16.33 1:18.03 1:31.15 1:21.68 1:16.92 |
| 8 | Liam Wadek | 1:06.56 | 1:22.15 | 1:28.24 1:24.72 1:13.49 1:06.56 1:49.82 |
| 9 | Jack Maddigan | 1:17.12 | 1:25.10 | 1:30.58 1:21.43 1:28.08 1:25.80 1:17.12 |
| 10 | Harry Davies | 1:14.36 | 1:25.44 | 1:14.36 1:27.07 1:27.59 1:21.67 1:30.95 |
| 11 | Luke Steele | 1:22.61 | 1:28.00 | 1:25.91 1:38.24 1:22.61 1:24.38 1:33.71 |
| 12 | Zack Aden | 1:21.55 | 1:28.62 | 1:28.52 1:35.86 1:30.58 1:26.75 1:21.55 |
| 13 | James Moore | 1:24.39 | 1:33.65 | 1:41.97 1:36.50 1:29.03 1:24.39 1:35.42 |
| 14 | Jules Graham | 1:24.87 | 1:35.69 | 1:36.47 1:35.52 1:35.54 1:36.02 1:24.87 |
| 15 | Aneurin Hunt | 1:37.08 | 1:43.69 | 1:42.32 1:38.14 1:37.08 1:50.61 1:53.70 |
| 16 | Toby Dixon | 2:05.39 | — | 2:20.41 2:05.39 — — — |
| 17 | Terence Brown | 2:40.52 | — | 2:40.52 2:41.50 — — — |
| 18 | Neo Neunast | 3:20.75 | — | 3:20.75 3:34.49 — — — |