| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | John Gilmour | Otago Boys | 25.00q |
| 2 | Cole McKenzie | Otago Boys | 25.47q |
| 3 | Kevin Molony | Taieri College | 26.22q |
| 4 | Greg King | Kings High School | 27.07q |
| -- | Liam Coghlan | Bayfield | DQ |
| -- | Matthew Scott | St Kevin's College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Toby Flett | Otago Boys | 25.14q |
| 2 | Damon Cleverly | Logan Park High School | 26.36q |
| 3 | Max Ovenden | St Kevin's College | 26.52q |
| 4 | David Fitzgerald | KAVANAGH | 27.81q |
| 5 | Kit Collins | Taieri College | 28.26 |
| -- | Kane Russell | Otago Boys | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Toby Flett | Otago Boys | 24.02 |
| 2 | John Gilmour | Otago Boys | 24.67 |
| 3 | Cole McKenzie | Otago Boys | 25.27 |
| 4 | Kevin Molony | Taieri College | 26.26 |
| 5 | Max Ovenden | St Kevin's College | 26.50 |
| -- | Damon Cleverly | Logan Park High School | DNS |
| -- | David Fitzgerald | KAVANAGH | DNS |
| -- | Greg King | Kings High School | DNS |