| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Isak Gunnarsson | St Kevin's College | 26.26q |
| 2 | James Martin | St Peter's College (Gore) | 26.69q |
| 3 | Sam de Vries | Southland Boys High School | 26.81q |
| 4 | Ben Baker | John McGlashan | 26.84q |
| 5 | Matthew Joll | James Hargest High School | 28.10 |
| 6 | Sam Taberner | Fiordland College | 28.26 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | John Snow | John McGlashan | 26.00q |
| 2 | Sam Watson | Otago Boys | 26.51q |
| 3 | Blake McAlevey-Scurr | Logan Park High School | 26.98q |
| 4 | Ross Campbell | Otago Boys | 27.53q |
| 5 | Josh Thompson | Cromwell | 27.71 |
| 6 | Ashley Craig | Southland Boys High School | 28.37 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Isak Gunnarsson | St Kevin's College | 25.75 |
| 2 | John Snow | John McGlashan | 25.91 |
| 3 | Ross Campbell | Otago Boys | 26.40 |
| 4 | Sam de Vries | Southland Boys High School | 26.53 |
| 5 | James Martin | St Peter's College (Gore) | 26.54 |
| 6 | Sam Watson | Otago Boys | 26.68 |
| 7 | Blake McAlevey-Scurr | Logan Park High School | 27.04 |
| 8 | Ben Baker | John McGlashan | 27.92 |