| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sam Guirgis | Middleton Grange School | 12.73q |
| 2 | Will Sanders | Shirley Boys High School | 12.78q |
| 3 | Oakley Blackburn | Christchurch Boys High School | 14.74q |
| 4 | Bakeua Bakeua | Kings High School | 15.51q |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Marlin Brown | Nelson College | 13.34q |
| 2 | Conner Woodcock | Rolleston College | 14.58q |
| 3 | Ali Culpan | Kings High School | 15.37q |
| 4 | Riley Horne | Otago Boys High School | 16.59q |
| -- | Oran Sim | Nelson College | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Will Sanders | Shirley Boys High School | 12.75 |
| 2 | Sam Guirgis | Middleton Grange School | 12.77 |
| 3 | Marlin Brown | Nelson College | 13.32 |
| 4 | Conner Woodcock | Rolleston College | 14.18 |
| 5 | Oakley Blackburn | Christchurch Boys High School | 14.70 |
| 6 | Ali Culpan | Kings High School | 15.12 |
| 7 | Riley Horne | Otago Boys High School | 15.65 |
| 8 | Bakeua Bakeua | Kings High School | 15.82 |