| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Noah Retford | Botany Downs Secondary College | 39.35q |
| 2 | Charles Howlett | Auckland Grammar School | 40.78q |
| 3 | Harry Williamson | Christchurch Boys High School | 40.78q |
| 4 | Damian Hodgson | Whanganui High School | 40.86q |
| 5 | Sean Newlands | Roncalli College | 42.50q |
| 6 | Daniel Mullens | Macleans College | 43.09 |
| 7 | Seamus Og Flood | Scots College | 45.16 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Hansen | Marlborough Boys College | 39.06q |
| 2 | Dylan Butler | St Bede's College | 40.94q |
| 3 | Finlay Neale | St Bede's College | 42.33q |
| 4 | Zak Papworth | Whanganui High School | 42.84 |
| 5 | Carter Taylor | St Peter's School | 43.08 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | James Hansen | Marlborough Boys College | 38.12 |
| 2 | Charles Howlett | Auckland Grammar School | 39.39 |
| 3 | Finlay Neale | St Bede's College | 39.74 |
| 3 | Noah Retford | Botany Downs Secondary College | 39.74 |
| 5 | Harry Williamson | Christchurch Boys High School | 40.07 |
| 6 | Dylan Butler | St Bede's College | 41.66 |
| 7 | Sean Newlands | Roncalli College | 42.57 |
| 8 | Damian Hodgson | Whanganui High School | 42.87 |