| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hunter Scott | Christchurch Boys High School | 23.47q |
| 2 | Francis Gillies | Christchurch Boys High School | 24.32q |
| 3 | Adam Kaloga | Logan Park High School | 24.41q |
| 4 | Flynn Mackie | Garin College | 24.89q |
| 5 | William Gifford | Christ's College | 25.68 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Blake Dalton | Taieri College | 23.33q |
| 2 | Zack Walton | Christchurch Boys High School | 24.15q |
| 3 | Amelio Kaloga | Logan Park High School | 24.36q |
| 4 | Charlie Applegarth | St Bede's College | 25.15q |
| 5 | Timata Ropata | Central Southland College | 25.84 |
| 6 | George Templeton | St Peter's College (Gore) | 27.09 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Hunter Scott | Christchurch Boys High School | 22.85 |
| 2 | Blake Dalton | Taieri College | 22.87 |
| 3 | Zack Walton | Christchurch Boys High School | 23.94 |
| 4 | Adam Kaloga | Logan Park High School | 24.07 |
| 5 | Amelio Kaloga | Logan Park High School | 24.22 |
| 6 | Francis Gillies | Christchurch Boys High School | 24.41 |
| 7 | Flynn Mackie | Garin College | 24.47 |
| 8 | Charlie Applegarth | St Bede's College | 24.83 |