| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Oliver Miller | St Peter's College Auckland | 39.75q |
| 2 | Tom Matthews | Wanganui Collegiate | 40.89q |
| 2 | Isaac Milne | Hamilton Boys High School | 40.89q |
| 4 | Shaun Skilling | Burnside High School | 41.32q |
| 5 | Joshua Shih | Auckland Grammar School | 41.33q |
| 6 | Louis Andrews | St Thomas of Canterbury Colleg | 43.00 |
| 7 | Tim Meynell | Riccarton High School | 44.80 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Olly Parkinson | Auckland Grammar School | 40.43q |
| 2 | Tom Gill | St Bede's College | 42.02q |
| 3 | Matthew Aucamp | Elim Christian College | 42.70q |
| 4 | Williame Toduadua | St Peter's School Camb | 46.88 |
| 5 | Luke Pienaar | St Peter's School Camb | 48.82 |
| 6 | Daniel Martin | St Patricks College Silverstr | 48.95 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Oliver Miller | St Peter's College Auckland | 37.27 |
| 2 | Olly Parkinson | Auckland Grammar School | 38.91 |
| 3 | Tom Gill | St Bede's College | 39.87 |
| 4 | Joshua Shih | Auckland Grammar School | 40.22 |
| 5 | Isaac Milne | Hamilton Boys High School | 40.70 |
| 6 | Shaun Skilling | Burnside High School | 41.14 |
| 7 | Tom Matthews | Wanganui Collegiate | 41.56 |
| 8 | Matthew Aucamp | Elim Christian College | 41.94 |