| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tyler Collings | Timaru Boys' High School | 11.59q |
| 2 | Jack Allan | St Kevin's College | 11.76q |
| 3 | Harlem Cole | Roncalli College | 11.90q |
| 4 | Kane Attrill | Kings High School | 11.94q |
| 5 | Levi Rye | Mt Aspiring College | 12.12q |
| 6 | Matthew de Vries | Burnside High School | 12.44 |
| -- | Jake Laughton | Shirley Boys High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Blair Grant | Waitaki Boys' High School | 11.61q |
| 2 | Tim Lawrence | Otago Boys High School | 11.71q |
| 3 | David Elliott | Christ's College | 11.74q |
| 4 | Michael Burgess | Waitaki Boys' High School | 12.16 |
| 5 | Daniel Dam | Kings High School | 12.31 |
| 6 | Yasuhiro Shima | Christchurch Boys High School | 12.63 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Blair Grant | Waitaki Boys' High School | 11.31 |
| 2 | Tyler Collings | Timaru Boys' High School | 11.57 |
| 3 | David Elliott | Christ's College | 11.58 |
| 4 | Tim Lawrence | Otago Boys High School | 11.66 |
| 5 | Jack Allan | St Kevin's College | 11.89 |
| 6 | Levi Rye | Mt Aspiring College | 11.98 |
| -- | Kane Attrill | Kings High School | DQ |
| -- | Harlem Cole | Roncalli College | DNS |