| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| -- | Jay Finikin | Roncalli College | q |
| -- | Oliver Luxton | Mt Hutt College | q |
| -- | Tomi Obafemi | Ashburton College | q |
| -- | Shaun Todd | Waitaki Boys' High School | |
| -- | George Waller | Timaru Boys' High School | q |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| -- | Sam Hix | Mountainview High School | |
| -- | Jim Huang | Mt Hutt College | q |
| -- | Damian Needham | Waitaki Boys' High School | |
| -- | Simon Small | Timaru Boys' High School | q |
| -- | Thomas Wardell | Geraldine High School | q |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Tomi Obafemi | Ashburton College | 24.00 |
| 2 | Jay Finikin | Roncalli College | 24.20 |
| 3 | George Waller | Timaru Boys' High School | 24.50 |
| -- | Jim Huang | Mt Hutt College | NT |
| -- | Oliver Luxton | Mt Hutt College | NT |
| -- | Simon Small | Timaru Boys' High School | NT |
| -- | Thomas Wardell | Geraldine High School | NT |