| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hamish Anderson | St Andrew's College | 24.16q |
| 2 | Michael Toner | Shirley Boys High School | 25.04q |
| 3 | Marcus Johnson | Rangiora High School | 25.11q |
| 4 | James Tongia | St Thomas of Canterbury C | 25.12q |
| 5 | Michael McDonald | Mairehau High School | 27.11 |
| -- | Brendon Mazey | Aranui High School | DNS |
| -- | Hayden Sinclair | St Bede's College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Misi Selave | St Thomas of Canterbury C | 24.68q |
| 2 | Daniel Barlass | Lincoln High School | 26.90 |
| -- | Johnny Atonio | Aranui High School | DNS |
| -- | Kieran Farr | St Andrew's College | DNS |
| -- | Daniel Koster | Shirley Boys High School | DNS |
| -- | Dion Maw | Mairehau High School | DNS |
| -- | Bradley Murchison | Christ's College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Joel Armstrong | Middleton Grange | 23.57q |
| 2 | Conan Moynihan | St Bede's College | 23.98q |
| 3 | Cameron Mitchell | St Andrew's College | 24.41q |
| 4 | John Mokomoko | Lincoln High School | 25.33 |
| 5 | Nick Vincent | Mairehau High School | 26.17 |
| -- | Uwe Helu | St Thomas of Canterbury C | DNS |
| -- | Sam Zarifeh | Shirley Boys High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Joel Armstrong | Middleton Grange | 23.24 |
| 2 | Conan Moynihan | St Bede's College | 23.27 |
| 3 | Misi Selave | St Thomas of Canterbury C | 23.87 |
| 4 | Cameron Mitchell | St Andrew's College | 24.12 |
| 5 | Hamish Anderson | St Andrew's College | 24.13 |
| 6 | Marcus Johnson | Rangiora High School | 25.61 |
| -- | Michael Toner | Shirley Boys High School | DNS |
| -- | James Tongia | St Thomas of Canterbury C | DNS |