| 1 | Ciarán Beahan | 2:21.40 | 2:27.31 | 2:21.40 2:29.08 2:31.45 — — |
| 2 | Evan Liu | 2:52.99 | 2:55.42 | 2:59.30 2:53.96 2:52.99 — — |
| 3 | Callum Hales-Jepp | 3:37.66 | 3:42.42 | 3:46.14 3:37.66 3:43.47 — — |
| 4 | Nevins Chan Pak Hoong (陈百鸿) | 4:03.26 | 4:10.26 | 4:03.26 4:19.06 4:08.46 — — |
| 5 | Ting Sheng Bao Yang | 4:10.18 | 4:38.17 | 4:23.76 4:10.18 5:20.56 — — |
| 6 | Finn Ickler | 4:36.27 | 4:40.88 | 4:36.27 4:37.42 4:48.94 — — |
| 7 | John O'Connell | 4:31.59 | 4:54.83 | 5:19.40 4:31.59 4:53.49 — — |
| 8 | Gerard McAteer | 5:33.48 | 5:40.01 | 5:33.48 5:49.93 5:36.63 — — |
| 9 | Colm Fitz | 6:48.53 | — | 6:48.53 — — — — |
| 10 | Ben Keogh | 7:02.59 | — | 7:02.59 — — — — |
| 11 | Katie Moughan | 7:27.16 | — | 7:27.16 — — — — |
| 12 | Pau Vela García | 7:44.22 | — | 7:44.22 — — — — |
| 13 | Andy Lee Mitchell | DNF | — | DNF — — — — |
| 13 | Conor Sheridan | DNF | — | DNF — — — — |
| 13 | Matthew Horan | DNF | — | DNF — — — — |