| 1 | Ciarán Beahan | 1:44.88 | 1:59.60 | 1:55.68 2:18.23 1:44.88 — — |
| 2 | Evan Liu | 1:53.28 | 2:01.26 | 2:01.78 1:53.28 2:08.73 — — |
| 3 | Callum Hales-Jepp | 2:26.24 | 2:28.45 | 2:28.35 2:30.75 2:26.24 — — |
| 4 | Jan Bentlage | 2:31.42 | 2:45.67 | 2:50.74 2:54.86 2:31.42 — — |
| 5 | Finn Ickler | 2:40.06 | 2:47.53 | 2:54.30 2:48.23 2:40.06 — — |
| 6 | John O'Connell | 3:01.50 | 3:17.37 | 3:24.20 3:26.40 3:01.50 — — |
| 7 | Callum James Goodyear | 3:29.90 | 3:37.21 | 3:37.15 3:29.90 3:44.57 — — |
| 8 | Ben Ridley | 3:23.45 | 3:56.41 | 3:23.45 3:50.12 4:35.66 — — |
| 9 | Gerard McAteer | 3:11.85 | DNF | 3:11.85 DNF DNS — — |
| 10 | Ben Keogh | 4:26.37 | — | 4:26.37 — — — — |
| 11 | Jake Donnelly | 4:28.46 | — | 4:28.46 — — — — |
| 12 | Andy Lee Mitchell | 5:09.29 | — | 5:09.29 — — — — |
| 13 | Colm Fitz | 6:38.68 | — | 6:38.68 — — — — |
| 14 | Seán Mooney | 8:00.17 | — | 8:00.17 — — — — |