| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ryan Sullivan | St Bede's College | 23.75q |
| 2 | Daniel O'Shea | Verdon College | 24.12q |
| 3 | Tyler Rogers | Ashburton College | 24.38q |
| 4 | Ben O'Keeffee | Marlborough Boys College | 25.23q |
| 5 | Fin Teasdale | Taieri College | 26.06 |
| 6 | Dafydd Morgan | Christ's College | 27.48 |
| -- | Glen Frew | Southland Boys High Schoo | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kieran Fowler | Geraldine High School | 23.41q |
| 2 | Sam Hindson | Christchurch Boys High Sc | 23.74q |
| 3 | Jesse Adams | Dunstan High School | 25.16q |
| 4 | Karl Boniface | Garin College | 25.40q |
| 5 | Craig Sutherland | Fiordland College | 25.79 |
| -- | Peter Breen | Waitaki Boys' High School | DNS |
| -- | Dumelow Phillip | Greymouth High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Sam Hindson | Christchurch Boys High Sc | 23.79 |
| 2 | Kieran Fowler | Geraldine High School | 23.90 |
| 3 | Ryan Sullivan | St Bede's College | 24.56 |
| 4 | Daniel O'Shea | Verdon College | 24.74 |
| 5 | Tyler Rogers | Ashburton College | 25.08 |
| 6 | Jesse Adams | Dunstan High School | 25.22 |
| 7 | Karl Boniface | Garin College | 25.88 |
| 8 | Ben O'Keeffee | Marlborough Boys College | 25.93 |