| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Theo Quax | Macleans College | 4:06.06q |
| 2 | Isaiah Priddey | Hamilton Boys High School | 4:06.12q |
| 3 | George Cory-Wright | Kings College | 4:06.14q |
| 4 | Jacob Holmes | Sacred Heart College Auck | 4:06.17q |
| 5 | Angus White | New Plymouth Boys High School | 4:06.33q |
| 6 | Matthew Sutcliffe | Wellington College | 4:07.99q |
| 7 | Cameron Bartlett | St Bede's College | 4:12.48 |
| 8 | Jack Hammond | Hutt Valley High School | 4:15.42 |
| 9 | Bailey Gebbie | Timaru Boy's High School | 4:28.33 |
| 10 | Thomas Littleworth | Nelson College | 4:29.47 |
| 11 | Cody Burton | Rangiora High School | 4:37.68 |
| 12 | Michael Paine | St Patricks College Silverstr | 4:38.49 |
| 13 | Ethan Kerins | St John College | 4:49.01 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Uhlenberg | Sacred Heart College Auck | 4:07.91q |
| 2 | Matthew Manning | St Kentigern College | 4:08.06q |
| 3 | Nathan Hill | Otago Boys High School | 4:08.27q |
| 4 | Callum Stewart | Scots College | 4:08.49q |
| 5 | Gregor Findlay | Mt Aspiring College | 4:09.18 |
| 6 | Nick Matthews | Nelson College | 4:09.94 |
| 7 | Dylan Moxon | Pukekohe High School | 4:11.17 |
| 8 | Jack Elliott | New Plymouth Boys High School | 4:13.51 |
| 9 | Jared Sarten | St Patricks College Silverstr | 4:23.57 |
| 10 | James Reilly | St Patricks College Kilbirnie | 4:24.91 |
| 11 | Alex Langley | Taradale High School | 4:32.41 |
| 12 | Nathan Cochrane | Christchurch Boys High School | 4:33.61 |
| 13 | William Scholten | Wellington College | 4:34.11 |
| 14 | Jeremy Holyer | Rangitoto College | 4:45.37 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Nick Moulai | St Bede's College | 4:05.09q |
| 2 | Max Karamanolis | St Patricks College Kilbirnie | 4:05.18q |
| 3 | Dan Hoy | Westlake Boys High School | 4:05.28q |
| 4 | Goiteom Gebremedihin | Papanui High School | 4:05.57q |
| 5 | Samuel Cadwallader | Mahurangi College | 4:05.59q |
| 6 | Sam Hyde-Smith | Scots College | 4:06.86q |
| 7 | Liam Kennedy | St Patricks College Silverstr | 4:08.83 |
| 8 | Samuel Montgomerie | Hamilton Boys High School | 4:09.43 |
| 9 | Joel Carman | Wainuiomata High School | 4:14.58 |
| 10 | James Matthews | Sacred Heart College Auck | 4:15.19 |
| 11 | Jack Flannigan | Rangiora High School | 4:17.51 |
| 12 | Thomas Conder | Wanganui Collegiate | 4:50.70 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Matthew Manning | St Kentigern College | 3:59.56 |
| 2 | Theo Quax | Macleans College | 3:59.86 |
| 3 | Dan Hoy | Westlake Boys High School | 4:00.43 |
| 4 | James Uhlenberg | Sacred Heart College Auck | 4:00.71 |
| 5 | George Cory-Wright | Kings College | 4:01.88 |
| 6 | Callum Stewart | Scots College | 4:06.07 |
| 7 | Max Karamanolis | St Patricks College Kilbirnie | 4:06.21 |
| 8 | Angus White | New Plymouth Boys High School | 4:07.57 |
| 9 | Goiteom Gebremedihin | Papanui High School | 4:07.70 |
| 10 | Sam Hyde-Smith | Scots College | 4:09.52 |
| 11 | Nathan Hill | Otago Boys High School | 4:09.91 |
| 12 | Matthew Sutcliffe | Wellington College | 4:11.86 |
| 13 | Samuel Cadwallader | Mahurangi College | 4:14.18 |
| 14 | Jacob Holmes | Sacred Heart College Auck | 4:26.63 |
| -- | Nick Moulai | St Bede's College | DQ |
| -- | Isaiah Priddey | Hamilton Boys High School | DNS |