| 1 | Ivan Lew Yi Wen (刘义文) | 2:53.04 | 2:59.17 | 2:58.53 2:53.04 3:05.95 — — |
| 2 | Alex Asbery | 3:29.90 | 3:32.62 | 3:36.13 3:29.90 3:31.83 — — |
| 3 | Tom Stanton-Barnett | 3:43.57 | 3:55.26 | 4:14.53 3:47.68 3:43.57 — — |
| 4 | Tom Nelson | 4:22.67 | 4:34.73 | 4:52.58 4:28.95 4:22.67 — — |
| 5 | Ethan Palendeng | 4:45.87 | 4:48.69 | 4:47.08 4:53.13 4:45.87 — — |
| 6 | Finn Trass | 4:24.86 | 4:54.33 | 4:24.86 5:28.24 4:49.88 — — |
| 7 | Aneurin Hunt | 4:37.11 | 5:06.30 | 5:50.96 4:50.83 4:37.11 — — |
| 8 | Ethan Pan | 5:14.86 | 5:30.46 | 5:41.99 5:14.86 5:34.52 — — |
| 9 | Lee Stanton-Barnett | 6:39.79 | — | 6:39.79 — — — — |
| 10 | Luke Heath-Edwards | 7:20.16 | — | 7:20.16 — — — — |
| 11 | Julian Sico | 7:21.19 | — | 7:21.19 — — — — |
| 12 | Nathan Ryan | DNF | — | DNF — — — — |