| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Conan Moynihan | St Bede's College | 11.88q |
| 2 | David Bennett | Timaru Boys' High School | 12.04q |
| 3 | Lance Cotter | Ashburton College | 12.04q |
| 4 | Alex Emmerson | Otago Boys High School | 12.14q |
| 5 | Mark Atkins | Cashmere High School | 12.32 |
| 6 | Scott Paulin | Dunstan High School | 12.33 |
| 7 | Matt Wilson | Dunstan High School | 12.61 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | William Lentjes | Christchurch Boys High School | 11.62q |
| 2 | Poamo Aiiloilo | Otago Boys High School | 11.83q |
| 3 | Sam Briggs | Ashburton College | 11.97q |
| 4 | Peter Zeng | Christ's College | 12.21q |
| 5 | Thomas Ingham | Christchurch Boys High School | 12.24 |
| 6 | Taylor Fiddes | Taieri College | 12.37 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | William Lentjes | Christchurch Boys High School | 11.39 |
| 2 | Sam Briggs | Ashburton College | 11.51 |
| 3 | Conan Moynihan | St Bede's College | 11.51 |
| 4 | David Bennett | Timaru Boys' High School | 11.55 |
| 5 | Poamo Aiiloilo | Otago Boys High School | 11.68 |
| 6 | Lance Cotter | Ashburton College | 11.91 |
| 7 | Peter Zeng | Christ's College | 11.93 |
| 8 | Alex Emmerson | Otago Boys High School | 12.20 |