| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hunter Scott | Christchurch Boys High School | 11.59q |
| 2 | Gabriel Dickerson | Roncalli College | 11.69q |
| 3 | Flynn Mackie | Garin College | 11.84q |
| 4 | Bill Quigley | Christchurch Boys High School | 11.96q |
| 5 | George Matthews | Christ's College | 11.97q |
| 6 | Charlie Applegarth | St Bede's College | 12.04 |
| 7 | Jackson Boyd | Otago Boys High School | 12.06 |
| 8 | George Templeton | St Peter's College (Gore) | 12.72 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Blake Dalton | Taieri College | 11.51q |
| 2 | Amelio Kaloga | Logan Park High School | 11.91q |
| 3 | Francis Gillies | Christchurch Boys High School | 11.94q |
| 4 | Charlie Ottrey | Otago Boys High School | 11.99 |
| 5 | Benson Geng-Wang | Christ's College | 12.12 |
| 6 | Timata Ropata | Central Southland College | 12.12 |
| 7 | Zane Richards | Motueka High School | 12.22 |
| 8 | Tomas Coberger | Christ's College | 12.46 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Hunter Scott | Christchurch Boys High School | 11.30 |
| 2 | Blake Dalton | Taieri College | 11.32 |
| 3 | Gabriel Dickerson | Roncalli College | 11.67 |
| 4 | Bill Quigley | Christchurch Boys High School | 12.01 |
| 5 | George Matthews | Christ's College | 12.05 |
| 6 | Francis Gillies | Christchurch Boys High School | 12.07 |
| 7 | Amelio Kaloga | Logan Park High School | 12.11 |
| -- | Flynn Mackie | Garin College | DQ |