| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Callum Mulligan | Shirley Boys High School | 26.02q |
| 2 | Tim Jones Franklin | St Bede's College | 26.89q |
| 3 | Nick Galwey | Mackenzie College | 26.89q |
| 4 | Dan Fowler | Kings High School | 26.96 |
| 5 | Brett Dickens | Nayland College | 27.24 |
| -- | Pierre Wong | South Otago High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Neil Hill | Waitaki Boys' High School | 24.81q |
| 2 | Elliot Harvey | Marlborough Boys College | 25.26q |
| 3 | Ryan Williams | Ashburton College | 25.35q |
| 4 | Andrew White | South Otago High School | 25.55q |
| 5 | Connor Chisman | Menzies College | 25.79q |
| 6 | Connor mcKay | Shirley Boys High School | 26.09 |
| 7 | Simon White | Southland Boys High School | 27.01 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Neil Hill | Waitaki Boys' High School | 24.31 |
| 2 | Andrew White | South Otago High School | 24.90 |
| 3 | Connor Chisman | Menzies College | 25.09 |
| 4 | Ryan Williams | Ashburton College | 25.24 |
| 5 | Elliot Harvey | Marlborough Boys College | 25.28 |
| 6 | Callum Mulligan | Shirley Boys High School | 26.01 |
| 7 | Nick Galwey | Mackenzie College | 26.48 |
| 8 | Tim Jones Franklin | St Bede's College | 26.57 |