| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Nathan Barrett | Scots College | 4:22.78q |
| 2 | Campbell Garry | John McGlashan College | 4:25.19q |
| 3 | John Schreuder | Westlake Boys High School | 4:25.89q |
| 4 | Corey Casey | St Patrick's College (Silverst | 4:26.52q |
| 5 | Jacob Martin | Tauranga Boys' College | 4:26.90q |
| 6 | Werner Dunn | Pakuranga College | 4:28.23 |
| 7 | Campbell Harvey | Marlborough Boys College | 4:34.39 |
| 8 | Alex Manton | Christchurch Boys High School | 4:40.75 |
| 9 | Samual Hinchliff | Spotswood College | 4:44.36 |
| 10 | Scott Bridgman | Burnside High School | 4:44.93 |
| 11 | Jack Ewing | St Peter's School | 4:50.62 |
| 12 | Brendan Speakman | Taradale High School | 4:51.99 |
| 13 | Ben Le Prou | Hastings Boys High School | 4:52.87 |
| 14 | Nick Brazil | St Patrick's College (Kilbirni | 4:52.95 |
| 15 | Oliver Brown | Tauranga Boys' College | 4:54.37 |
| 16 | George Hayden | St Patrick's College (Silverst | 4:56.21 |
| -- | Josh Maisey | Lynfield College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Glen Ballam | Southland Boys High School | 4:19.36q |
| 2 | Josh van Dalen | Wanganui Collegiate | 4:19.42q |
| 3 | Scott McDonald | Karamu High School | 4:19.47q |
| 4 | Zak Hawkins | Westlake Boys High School | 4:19.67q |
| 5 | Tom Hall | St Peter's School | 4:19.78q |
| 6 | Hamish Frame | Cashmere High School | 4:20.03q |
| 7 | Ewoud Noordeloos | Nelson College | 4:20.66q |
| 8 | Regan Bones | Tauranga Boys' College | 4:21.74q |
| 9 | Max Biggs | Scots College | 4:23.27q |
| 10 | Lewis Commons | Christchurch Boys High School | 4:29.37 |
| 11 | Fraser Cairns | Pakuranga College | 4:33.35 |
| 12 | Mike Krause | Wellington College | 4:35.65 |
| 13 | Alex Gorrie | Kavanagh College | 4:40.85 |
| 14 | Chris Adamson | St Peter's School | 5:10.14 |
| 15 | Matthew Poole | St Patrick's College (Silverst | 5:14.48 |
| 16 | Braedan Taylor | Tauranga Boys' College | 5:26.44 |
| 17 | Sam Clark | Macleans College | 5:35.65 |
| -- | Oska Inkster-Baynes | St Andrew's College | DNF |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Corey Casey | St Patrick's College (Silverst | 4:00.96 |
| 2 | Glen Ballam | Southland Boys High School | 4:08.88 |
| 3 | Ewoud Noordeloos | Nelson College | 4:19.43 |
| 4 | Regan Bones | Tauranga Boys' College | 4:21.32 |
| 5 | Zak Hawkins | Westlake Boys High School | 4:22.06 |
| 6 | Tom Hall | St Peter's School | 4:23.03 |
| 7 | Scott McDonald | Karamu High School | 4:23.63 |
| 8 | Campbell Garry | John McGlashan College | 4:23.66 |
| 9 | John Schreuder | Westlake Boys High School | 4:24.56 |
| 10 | Jacob Martin | Tauranga Boys' College | 4:29.38 |
| 11 | Josh van Dalen | Wanganui Collegiate | 4:31.68 |
| 12 | Hamish Frame | Cashmere High School | 4:34.13 |
| -- | Nathan Barrett | Scots College | DNF |
| -- | Max Biggs | Scots College | DNF |