| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Flynn Johnston | Whanganui High School | 40.44q |
| 2 | Zachary Saunders | Botany Downs Secondary College | 41.12q |
| 3 | Aden Porritt | Palmerston North Boys High Sch | 41.57q |
| 4 | Liam McKee | Hamilton Boys High School | 41.99q |
| 5 | Thomas Wynne | Sacred Heart College (Auckland | 42.97 |
| 6 | Liam Hill | Burnside High School | 44.25 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Cameron Moffitt | Otago Boys High School | 40.58q |
| 2 | Nat Kirk | Whanganui High School | 42.57q |
| 3 | Joshua Price | St Thomas Of Canterbury Colleg | 42.84q |
| 4 | Tony Su | Macleans College | 42.94q |
| 5 | Tyler Day | St Bede's College | 43.05 |
| 6 | Isaac Larsen | Bethlehem College | 46.22 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Cameron Moffitt | Otago Boys High School | 38.34 |
| 2 | Zachary Saunders | Botany Downs Secondary College | 39.04 |
| 3 | Nat Kirk | Whanganui High School | 39.25 |
| 4 | Flynn Johnston | Whanganui High School | 40.88 |
| 5 | Aden Porritt | Palmerston North Boys High Sch | 42.20 |
| 6 | Joshua Price | St Thomas Of Canterbury Colleg | 42.92 |
| 7 | Tony Su | Macleans College | 43.07 |
| 8 | Liam McKee | Hamilton Boys High School | 44.41 |