| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Robert Jopp | John McGlashan College | 22.34q |
| 2 | Blair Grant | Waitaki Boys' High School | 23.05q |
| 3 | Samuel Gilchrist | Christ's College | 23.38q |
| 4 | Matt Little | Burnside High School | 23.53q |
| 5 | Quade Dearman | Nelson College | 23.82q |
| 6 | Bradley Lang | Timaru Boys' High School | 24.09 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Matthew Harris | Papanui High School | 22.90q |
| 2 | Michael Peterson | James Hargest High School | 23.47q |
| 3 | Chris Brake | Tapawera Area School | 23.69q |
| 4 | Francis Maslin-Ross | Burnside High School | 24.16 |
| 5 | Henry Chamberlain | Timaru Boys' High School | 24.20 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Robert Jopp | John McGlashan College | 22.21 |
| 2 | Blair Grant | Waitaki Boys' High School | 22.55 |
| 3 | Matthew Harris | Papanui High School | 23.01 |
| 4 | Samuel Gilchrist | Christ's College | 23.28 |
| 5 | Matt Little | Burnside High School | 23.53 |
| 6 | Quade Dearman | Nelson College | 23.72 |
| 7 | Michael Peterson | James Hargest High School | 23.74 |
| 8 | Chris Brake | Tapawera Area School | 23.75 |