| 1 | Ciarán Beahan | 1:28.50 | 1:34.77 | 1:32.23 1:28.50 1:43.57 — — |
| 2 | Daniel Sheppard | 2:10.12 | 2:14.64 | 2:10.12 2:19.12 2:14.67 — — |
| 3 | Callum Hales-Jepp | 2:19.72 | 2:24.55 | 2:25.05 2:28.89 2:19.72 — — |
| 4 | Sean Moran | 2:23.38 | 2:28.98 | 2:32.52 2:31.03 2:23.38 — — |
| 5 | Katie Moughan | 2:26.19 | 2:29.03 | 2:26.94 2:33.95 2:26.19 — — |
| 6 | John O'Connell | 2:36.96 | 2:37.76 | 2:37.60 2:36.96 2:38.72 — — |
| 7 | Mengfei Shen (沈梦非) | 2:53.79 | 3:11.04 | 3:30.97 2:53.79 3:08.36 — — |
| 8 | Gerard McAteer | 3:05.88 | 3:25.46 | 3:43.60 3:05.88 3:26.91 — — |
| 9 | Andy Lee Mitchell | 3:16.56 | 3:27.64 | 3:29.43 3:16.56 3:36.94 — — |
| 10 | Colm Fitz | 3:22.79 | 3:32.98 | 3:42.72 3:33.42 3:22.79 — — |
| 11 | Ben Keogh | 3:25.24 | 3:38.96 | 3:52.84 3:25.24 3:38.80 — — |
| 12 | Conor O'Loughlin | 4:16.53 | — | 4:16.53 — — — — |
| 13 | AJ Nicholls | 4:20.95 | — | 4:20.95 — — — — |
| 14 | Rowan Curtin Illien | 4:46.59 | — | 4:46.59 — — — — |
| 15 | Mary Hennessy | 5:36.11 | — | 5:36.11 — — — — |