| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | David Elliott | Christ's College | 23.43q |
| 2 | Sam Fitzgerald | Riccarton High School | 23.63q |
| 3 | Jack Allan | St Kevin's College | 23.77q |
| 4 | Harlem Cole | Roncalli College | 24.17q |
| 5 | Dylan Lovett | James Hargest High School | 24.71 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Andrew Whyte | South Otago High School | 23.28q |
| 2 | Blair Grant | Waitaki Boys' High School | 23.49q |
| 3 | Alistair Adams | Nelson College | 23.60q |
| 4 | Tim Lawrence | Otago Boys High School | 23.87q |
| 5 | Kane Attrill | Kings High School | 24.19 |
| 6 | Michael Peterson | James Hargest High School | 24.28 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Andrew Whyte | South Otago High School | 22.88 |
| 2 | David Elliott | Christ's College | 23.39 |
| 3 | Blair Grant | Waitaki Boys' High School | 23.61 |
| 4 | Alistair Adams | Nelson College | 23.75 |
| 5 | Sam Fitzgerald | Riccarton High School | 23.77 |
| 6 | Jack Allan | St Kevin's College | 23.84 |
| 7 | Tim Lawrence | Otago Boys High School | 24.01 |
| -- | Harlem Cole | Roncalli College | DNF |