| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | John Gerber | St Bede's College | 22.26q |
| 2 | Hayato Yoneto | Wakatipu High School | 22.95q |
| 3 | Mark Loh | St Thomas Of Canterbury Colleg | 23.10q |
| 4 | Matt Durant | Christ's College | 24.18 |
| 5 | Robbie McKeown | Christ's College | 24.57 |
| 6 | William Rawlins | Timaru Boys' High School | 24.71 |
| 7 | Cameron Collins | Marlborough Boys College | 24.78 |
| 8 | Jasper Nuesslein | Waimate High School | 24.84 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | George Vare | Otago Boys High School | 23.06q |
| 2 | Flynn Murdoch | Kings High School | 23.53q |
| 3 | Josh Crook | St Bede's College | 23.68q |
| 4 | Joseph Brooks | Marlborough Boys College | 23.82q |
| 5 | Jack Shields | Cashmere High School | 23.89q |
| 6 | Zebadiah Thompson | John Paul II High School | 24.44 |
| 7 | Isaac Vandenbosch | Twizel Area School | 24.76 |
| 8 | Felix Popp | Motueka High School | 25.00 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | John Gerber | St Bede's College | 22.18 |
| 2 | Mark Loh | St Thomas Of Canterbury Colleg | 22.63 |
| 3 | Hayato Yoneto | Wakatipu High School | 22.74 |
| 4 | Josh Crook | St Bede's College | 23.06 |
| 5 | Flynn Murdoch | Kings High School | 23.36 |
| 6 | Joseph Brooks | Marlborough Boys College | 24.01 |
| 7 | George Vare | Otago Boys High School | 24.10 |
| 8 | Jack Shields | Cashmere High School | 24.14 |