| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Thomas Allan | Gore High School | 23.94q |
| 2 | Toby Flett | Otago Boys High School | 23.95q |
| 3 | Dee Jay Kennedy | James Hargest High School | 23.96q |
| 4 | Scott Walker | Christchurch Boys High School | 23.99q |
| 5 | Jay Finikin | Roncalli College | 24.77 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Chad Butson | Southland Boys High School | 23.74q |
| 2 | Tomi Obafemi | Ashburton College | 24.43q |
| 3 | Ryan Alexander | Christ's College | 24.56q |
| 4 | Josh Murphy | St Bede's College | 24.65q |
| 5 | Elliot Scott | Christchurch Boys High School | 26.31 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Scott Walker | Christchurch Boys High School | 23.29 |
| 2 | Chad Butson | Southland Boys High School | 23.66 |
| 3 | Toby Flett | Otago Boys High School | 23.72 |
| 4 | Dee Jay Kennedy | James Hargest High School | 24.08 |
| 5 | Tomi Obafemi | Ashburton College | 24.45 |
| 6 | Ryan Alexander | Christ's College | 24.73 |
| 7 | Josh Murphy | St Bede's College | 24.93 |
| -- | Thomas Allan | Gore High School | DNS |