| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Lewis Ferris | Cromwell College | 24.87q |
| 2 | Josh Pendreigh | Taieri College | 25.61 |
| 3 | Tangai Madambi | Kaikorai Valley College | 26.27 |
| 4 | Rowan Baker | Cromwell College | 26.49 |
| -- | Jake Faber | Tokomairiro High School | DNS |
| -- | Scott Fraser | Otago Boys High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Joseph Kemp | Otago Boys High School | 23.56q |
| 2 | Taylor Fiddes | Taieri College | 24.30q |
| 3 | Scott Paulin | Dunstan High School | 24.64q |
| 4 | Alex Emmerson | Otago Boys High School | 25.28q |
| 5 | Tom Woodhouse | Kavanagh College | 25.42 |
| -- | Royce Madigan | Kings High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Teryn McLaren | Kings High School | 23.38q |
| 2 | Leslie Taylor | Otago Boys High School | 23.59q |
| 3 | Jack Tilson | John McGlashan | 24.56q |
| 4 | Brent O'Connor | St Kevin's College | 25.97 |
| -- | Kai Daniel | Kings High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Joseph Kemp | Otago Boys High School | 23.51 |
| 2 | Teryn McLaren | Kings High School | 23.86 |
| 3 | Taylor Fiddes | Taieri College | 24.32 |
| 4 | Scott Paulin | Dunstan High School | 24.55 |
| 5 | Jack Tilson | John McGlashan | 24.60 |
| 6 | Alex Emmerson | Otago Boys High School | 26.44 |
| 7 | Leslie Taylor | Otago Boys High School | 28.12 |
| -- | Lewis Ferris | Cromwell College | DNS |