| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Aidan Harwood | Southland Boys High School | 26.19q |
| 2 | Hamish Ryan | James Hargest High School | 27.55q |
| 3 | Aaron Shirley | Gore High School | 29.12q |
| 4 | Chris Lines | James Hargest High School | 29.93 |
| -- | Joe Gillies | Aurora College | DNS |
| -- | William Strange | Central Southland College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Connor Chisman | Menzies College | 25.41q |
| 2 | Simon White | Southland Boys High School | 26.40q |
| 3 | Lucas Roughan | St Peter's College (Gore) | 28.24q |
| 4 | Paul Strange | Aurora College | 28.94q |
| 5 | Ryan Egerton | Tuatapere Community College | 29.11q |
| 6 | Tom Norman | Central Southland College | 29.30 |
| 7 | Callum Ashley | Aparima College | 29.58 |
| 8 | Daniel Keen | Central Southland College | 29.77 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Connor Chisman | Menzies College | 26.28 |
| 2 | Aidan Harwood | Southland Boys High School | 26.50 |
| 3 | Simon White | Southland Boys High School | 26.56 |
| 4 | Hamish Ryan | James Hargest High School | 28.43 |
| 5 | Lucas Roughan | St Peter's College (Gore) | 28.76 |
| 6 | Aaron Shirley | Gore High School | 29.57 |
| -- | Ryan Egerton | Tuatapere Community College | DNS |
| -- | Paul Strange | Aurora College | DNS |