| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ryan Bagrie | Timaru Boys' High School | 4:23.55q |
| 2 | Samuel Berry | Westlake Boys High School | 4:23.86q |
| 3 | Joseph Morgan | Hamilton Boys High School | 4:25.37q |
| 4 | Henry Beliveau | Wellington College | 4:25.71q |
| 5 | Luca Borcoskie | Hagley Community College | 4:26.51q |
| 6 | Thomas Clarke | Papanui High School | 4:34.56q |
| 7 | Angus Monro | Glendowie College | 4:35.79 |
| 8 | Oliver McCormack | Nelson College | 4:36.14 |
| 9 | Kelvin Milne | Christchurch Boys High School | 4:43.17 |
| 10 | Ashton Booth | Otago Boys High School | 4:46.36 |
| 11 | Josh Gill | Nelson College | 4:53.67 |
| 12 | Isaac Reay | St Pauls Collegiate (Hamilton) | 5:02.63 |
| 13 | Elliot Jones | Wanganui Collegiate | 5:08.09 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | David de Vaal | Macleans College | 4:16.04q |
| 2 | Mac Rowe | New Plymouth Boys High School | 4:17.15q |
| 3 | Charlie Hazlett | Cashmere High School | 4:17.42q |
| 4 | Cameron O'Brien | Kings College | 4:18.66q |
| 5 | Mathijis Wetzels | Hamilton Boys High School | 4:21.70q |
| 6 | Joshua Collings | Westlake Boys High School | 4:27.01q |
| 7 | Jake Jackways | St Andrew's College | 4:40.51 |
| 8 | Ocean Falloon-Cavander | Burnside High School | 4:41.02 |
| 9 | Logan Stoupe | St Patrick's College (Silverst | 4:46.18 |
| 10 | Joshua Sammut | Otago Boys High School | 4:46.89 |
| 11 | Lorcan Rabbitte | Havelock North High School | 5:04.77 |
| -- | JJ Weston | Westlake Boys High School | DNF |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jacob Neal | Waimea College | 4:40.85q |
| 2 | Jack Julian | Wellington College | 4:41.17q |
| 3 | Liam Wall | Palmerston North Boys High Sch | 4:41.47q |
| 4 | Ryan Martyn | Nelson College | 4:42.06q |
| 5 | Matthew Clarke | Lincoln High School | 4:43.33 |
| 6 | Joseph Abernethy | Te Awamutu College | 4:52.27 |
| 7 | William Larkin | Wairarapa College | 4:54.66 |
| 8 | Joshua Timmer | St Patrick's College (Kilbirni | 4:55.81 |
| 9 | Oscar Hadley | Francis Douglas Memorial Colle | 4:58.15 |
| 10 | Josh Cowan | St Bede's College | 5:01.92 |
| 11 | Timikara Nihoniho-Russell | St Patrick's College (Silverst | 5:20.50 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Ryan Bagrie | Timaru Boys' High School | 4:07.43 |
| 2 | Cameron O'Brien | Kings College | 4:14.52 |
| 3 | Mac Rowe | New Plymouth Boys High School | 4:14.87 |
| 4 | Jacob Neal | Waimea College | 4:22.17 |
| 5 | David de Vaal | Macleans College | 4:24.77 |
| 6 | Henry Beliveau | Wellington College | 4:26.73 |
| 7 | Liam Wall | Palmerston North Boys High Sch | 4:30.77 |
| 8 | Thomas Clarke | Papanui High School | 4:31.70 |
| 9 | Luca Borcoskie | Hagley Community College | 4:35.47 |
| 10 | Joseph Morgan | Hamilton Boys High School | 4:37.53 |
| 11 | Jack Julian | Wellington College | 4:37.78 |
| 12 | Ryan Martyn | Nelson College | 4:54.52 |
| -- | Samuel Berry | Westlake Boys High School | DNS |
| -- | Joshua Collings | Westlake Boys High School | DNS |
| -- | Charlie Hazlett | Cashmere High School | DQ |
| -- | Mathijis Wetzels | Hamilton Boys High School | DNF |