| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Timmy Faulkner | Aranui High School | 24.68q |
| 2 | Alastair McIntyre | Christchurch Boys High School | 25.05q |
| 3 | Harlem Cole | Roncalli College | 25.43q |
| 4 | Joesph Barrow | Greymouth High School | 25.60q |
| 5 | Connor Chisman | Menzies College | 26.08 |
| 6 | Zeb Laqekoro | Bayfield High School | 26.24 |
| 7 | Brett Dickens | Nayland College | 26.64 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tim Lawrence | Otago Boys High School | 23.90q |
| 2 | Ryan Williams | Ashburton College | 23.92q |
| 3 | Guy Woodhouse | Kavanagh College | 24.12q |
| 4 | Neil Hill | Waitaki Boys' High School | 25.04q |
| 5 | Callum Bell | Kaiapoi High School | 25.81 |
| 6 | Hamish Ryan | James Hargest High School | 25.96 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Guy Woodhouse | Kavanagh College | 23.60 |
| 2 | Tim Lawrence | Otago Boys High School | 23.78 |
| 3 | Ryan Williams | Ashburton College | 23.86 |
| 4 | Neil Hill | Waitaki Boys' High School | 24.61 |
| 5 | Timmy Faulkner | Aranui High School | 25.08 |
| 6 | Alastair McIntyre | Christchurch Boys High School | 25.32 |
| 7 | Joesph Barrow | Greymouth High School | 25.77 |
| 8 | Harlem Cole | Roncalli College | 25.79 |