| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Mattheus Pio | St Pauls Collegiate (Hamilton) | 39.93q |
| 2 | Connor Munro | Whanganui High School | 40.05q |
| 2 | Ben Sewell | Timaru Boys' High School | 40.05q |
| 4 | Zinan Bennett | Middleton Grange School | 40.08q |
| 5 | Dylan Moon | Mt Albert Grammar | 42.25q |
| 6 | Hamish McGiven | St Peter's School | 45.02 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Olly Parkinson | Auckland Grammar School | 40.75q |
| 2 | Jonathan Maples | Whanganui High School | 41.90q |
| 3 | Travis Cashmore | St Pauls Collegiate (Hamilton) | 43.25q |
| 4 | Gabriel Wiszniewski | St Patrick's College (Kilbirni | 45.91 |
| 5 | Daniel Martin | St Patrick's College (Silverst | 49.25 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Mattheus Pio | St Pauls Collegiate (Hamilton) | 37.35 |
| 2 | Olly Parkinson | Auckland Grammar School | 37.73 |
| 3 | Ben Sewell | Timaru Boys' High School | 38.78 |
| 4 | Jonathan Maples | Whanganui High School | 39.36 |
| 5 | Zinan Bennett | Middleton Grange School | 39.92 |
| 6 | Connor Munro | Whanganui High School | 40.85 |
| 7 | Travis Cashmore | St Pauls Collegiate (Hamilton) | 41.74 |
| 8 | Dylan Moon | Mt Albert Grammar | 42.37 |