| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Blake McAlevey-Scurr | Logan Park High School | 27.59q |
| 2 | Josh Thompson | Cromwell College | 27.64q |
| 3 | Charlie Hantler | John McGlashan | 28.24 |
| 4 | Louis Day | Dunstan High School | 28.53 |
| 5 | Pieter Dennison | Kaikorai Valley College | 29.84 |
| 6 | Jacky Scott | Tokomairiro High School | 31.32 |
| 7 | Waliullah Aman | Kings High School | 31.82 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Isak Gunnarsson | St Kevin's College | 26.31q |
| 2 | Daniel Stevens | Kings High School | 27.05q |
| 3 | John Snow | John McGlashan | 27.16q |
| 4 | Ben Baker | John McGlashan | 27.20q |
| 5 | Sam Watson | Otago Boys High School | 27.62q |
| 6 | Ross Campbell | Otago Boys High School | 28.07q |
| 7 | Zac Watt | Otago Boys High School | 28.91 |
| 8 | Liam Finnie | Otago Boys High School | 29.17 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Isak Gunnarsson | St Kevin's College | 26.31 |
| 2 | John Snow | John McGlashan | 26.66 |
| 3 | Ben Baker | John McGlashan | 26.84 |
| 4 | Daniel Stevens | Kings High School | 26.87 |
| 5 | Josh Thompson | Cromwell College | 27.64 |
| 6 | Blake McAlevey-Scurr | Logan Park High School | 27.71 |
| 7 | Ross Campbell | Otago Boys High School | 27.98 |
| 8 | Sam Watson | Otago Boys High School | 28.14 |