| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tom Stewart | Penrose High School | 4:17.06 |
| 2 | Daniel Smith | Auckland Grammar School | 4:17.62 |
| 3 | Michael Banks | Kings College | 4:17.92 |
| 4 | William Harris | St Peter's College (Auckland) | 4:21.11 |
| 5 | Fabian Clarkson | Kings College | 4:25.32 |
| 6 | Ben Barry | Kings College | 4:25.45 |
| 7 | James Hand | Pakuranga College | 4:25.51 |
| 8 | Sam Burridge | Auckland Grammar School | 4:25.79 |
| 9 | Jamie Van Het Hout | Auckland Grammar School | 4:26.10 |
| 10 | Matt Peacock | St Kentigern College | 4:27.02 |
| 11 | Hamish Mackay | Mt Albert Grammar | 4:27.98 |
| 12 | Sam Gapes | Auckland Grammar School | 4:30.52 |
| 13 | Thomas Leabourn-Boss | Mt Albert Grammar | 4:30.62 |
| 14 | Alexi Petrie | Mt Albert Grammar | 4:35.08 |
| 15 | Yannis Furst | Glendowie College | 4:45.69 |
| 16 | Toby Scott | Glendowie College | 4:59.02 |
| -- | Daniel Coll | St Peter's College (Auckland) | DNS |
| -- | Javid Hameel | Mt Roskill Grammar | DNS |
| -- | Ben Kiely | Glendowie College | DNS |
| -- | Fraser Bermingham | Glendowie College | DNS |