| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Michael Dawson | Auckland Grammar School | 4:16.80q |
| 2 | Reuben Shepherd | Kingsway School | 4:17.00q |
| 3 | Jacob Priddey | Hamilton Boys High School | 4:17.41q |
| 4 | Joshua Barry | Nelson College | 4:17.63q |
| 5 | Fin Mahon | Wellington College | 4:17.79q |
| 6 | Finn Maunsell | Hamilton Boys High School | 4:17.81q |
| 7 | Josh Campbell | Shirley Boys High School | 4:20.01q |
| 8 | James Fletcher | Scots College | 4:21.16q |
| 9 | Dom Roe | St Patrick's College (Silversteam) | 4:28.01 |
| 10 | Danyon Fernando | St Pauls Collegiate (Hamilton) | 4:29.12 |
| 11 | Adam Chamberlain | Timaru Boys' High School | 4:37.24 |
| 12 | Andrew Kelly | Scots College | 4:38.57 |
| 13 | Fergus Eglesfield | Rangiora High School | 4:40.15 |
| 14 | Tom Caughley | Scots College | 4:44.38 |
| 15 | Hayden Stead | St Peter's School | 4:48.98 |
| -- | Francis Cabriga | Sacred Heart College (Auckland) | DNS |
| -- | Sam Heslin | Sacred Heart College (Auckland) | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Sean Eustace | Burnside High School | 4:18.44q |
| 2 | Marcus Karamanolis | St Patrick's College (Kilbirnie) | 4:18.47q |
| 3 | Troy Lonergan | Westlake Boys High School | 4:18.56q |
| 4 | Jared Monk | St Bede's College | 4:19.23q |
| 5 | Hugo Lawrence | Nelson College | 4:19.78q |
| 6 | Jono Hayes | Fiordland College | 4:22.12q |
| 7 | Riva Williams | Wellington College | 4:23.41 |
| 8 | Faiyeung Szeto | Wellington College | 4:23.54 |
| 9 | Logan Milne | St Thomas Of Canterbury College | 4:31.28 |
| 10 | James Wright | Wanganui High School | 4:31.61 |
| 11 | Patrick Roche | St Patrick's College (Kilbirnie) | 4:34.78 |
| 12 | Mitch Hobson | Christchurch Boys High School | 4:36.09 |
| 13 | Luke Maker | Kings High School | 4:38.85 |
| 14 | Connor McErlich | Wanganui Collegiate | 4:39.43 |
| 15 | Sam MacKay-Wright | Nelson College | 4:39.81 |
| 16 | Sean Morrison | Havelock North High School | 4:41.00 |
| 17 | Cameron Twiss | St Patrick's College (Kilbirnie) | 5:07.63 |
| 18 | Martin Bischofer | St John College | 5:22.61 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Marcus Karamanolis | St Patrick's College (Kilbirnie) | 4:07.13 |
| 2 | Reuben Shepherd | Kingsway School | 4:07.71 |
| 3 | Jacob Priddey | Hamilton Boys High School | 4:08.63 |
| 4 | Troy Lonergan | Westlake Boys High School | 4:10.15 |
| 5 | Sean Eustace | Burnside High School | 4:13.68 |
| 6 | Jared Monk | St Bede's College | 4:14.41 |
| 7 | Joshua Barry | Nelson College | 4:15.55 |
| 8 | Michael Dawson | Auckland Grammar School | 4:17.15 |
| 9 | Finn Maunsell | Hamilton Boys High School | 4:17.48 |
| 10 | Fin Mahon | Wellington College | 4:17.82 |
| 11 | Hugo Lawrence | Nelson College | 4:20.53 |
| 12 | Josh Campbell | Shirley Boys High School | 4:25.22 |
| 13 | James Fletcher | Scots College | 4:27.15 |
| 14 | Jono Hayes | Fiordland College | 4:29.03 |