| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Uhlenberg | Sacred Heart College Auck | 4:11.93q |
| 2 | Theo Quax | Macleans College | 4:13.19q |
| 3 | Flynn Palmer | Macleans College | 4:13.20q |
| 4 | Joel Carman | Wainuiomata High School | 4:15.53q |
| 5 | Luke Gemmell | Wanganui Collegiate | 4:16.69q |
| 6 | Chris Dryden | Catholic Cathedral College | 4:19.82q |
| 7 | Josh Stoddard | John McGlashan College | 4:27.11q |
| 8 | William Sinclair | St John's College | 4:30.82q |
| 9 | Seb Ellice | St Paul's Collegiate Ham | 4:32.20 |
| 10 | Nick Matthews | Nelson College | 4:34.58 |
| 11 | Thomas Littleworth | Nelson College | 4:35.32 |
| 12 | Dylan Lynch | Wellington College | 4:37.21 |
| 13 | Dylan Forde | Central Southland College | 4:45.02 |
| 14 | Henry Gay | Wanganui Collegiate | 4:45.62 |
| 15 | Hikaru Mita | St Peter's School Camb | 4:48.82 |
| 16 | Hayden Roseingrave | St Patricks College Silverstr | 4:56.71 |
| 17 | Sam Ashby | Rangitoto College | 5:12.26 |
| -- | Tumokai Watene-Mercep | Hauraki Plains College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Max Karamanolis | St Patricks College Kilbirnie | 4:28.78q |
| 2 | Connor Davidson | Wellington College | 4:29.87q |
| 3 | Isaiah Priddey | Hamilton Boys High School | 4:29.91q |
| 4 | Max Spencer | Rathkeale College/Trinity Sen | 4:30.69q |
| 5 | Kaleb Wright | Lindisfarne College | 4:31.12q |
| 6 | Reuben Goldingham Newsom | Hutt Valley High School | 4:31.90q |
| 7 | Cameron Roberts | St Patricks College Silverstr | 4:38.03 |
| 8 | Alex Langley | Taradale High School | 4:40.49 |
| 9 | Ethan Gillespie | Wanganui Collegiate | 4:43.80 |
| 10 | Blake Hill | St John College | 4:45.04 |
| 11 | Harry Poland | St Patricks College Silverstr | 4:45.58 |
| 12 | Kees McConnochie | Timaru Boy's High School | 4:48.26 |
| 13 | James Reilly | St Patricks College Kilbirnie | 4:50.77 |
| 14 | Hayden Noyce | Rangitoto College | 4:52.92 |
| 15 | Jacob Karam | Rathkeale College/Trinity Sen | 4:55.41 |
| 16 | Lucas Marshall | St Andrews College | 4:57.03 |
| 17 | Smith Samuel | St Peter's School Camb | 5:10.70 |
| 18 | Josef Morgan | Rangitoto College | 5:25.37 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Flynn Palmer | Macleans College | 4:10.49 |
| 2 | Theo Quax | Macleans College | 4:11.19 |
| 3 | James Uhlenberg | Sacred Heart College Auck | 4:11.78 |
| 4 | Isaiah Priddey | Hamilton Boys High School | 4:12.11 |
| 5 | Connor Davidson | Wellington College | 4:19.45 |
| 6 | Luke Gemmell | Wanganui Collegiate | 4:22.08 |
| 7 | Joel Carman | Wainuiomata High School | 4:27.36 |
| 8 | Kaleb Wright | Lindisfarne College | 4:28.90 |
| 9 | Max Spencer | Rathkeale College/Trinity Sen | 4:30.61 |
| 10 | Chris Dryden | Catholic Cathedral College | 4:31.25 |
| 11 | William Sinclair | St John's College | 4:31.51 |
| 12 | Reuben Goldingham Newsom | Hutt Valley High School | 4:31.89 |
| 13 | Max Karamanolis | St Patricks College Kilbirnie | 4:32.85 |
| 14 | Josh Stoddard | John McGlashan College | 4:40.84 |