| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Cody Lawson | Southland Boys High School | 11.58q |
| 2 | Ethan Hole | Geraldine High School | 12.05q |
| 3 | Thomas Jenkins | Kings High School | 12.08q |
| 4 | Theo Friedel | Hillmorton High School | 12.09q |
| 5 | Regan Sellars | Christchurch Boys High School | 12.11 |
| 6 | Ashton Kitson | Christchurch Boys High School | 12.39 |
| 7 | Alex Corbett | Otago Boys High School | 13.24 |
| -- | Oliver Jones | St Bede's College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Finn Hawkins | Christchurch Boys High School | 11.50q |
| 2 | Niall Foster | Nelson College | 11.92q |
| 3 | Tayden Hill | Nelson College | 12.01q |
| 4 | Toby Grant | Ashburton College | 12.09q |
| 5 | Edmund Ferro | John McGlashan College | 12.15 |
| 6 | Rishaan Kumar | Ashburton College | 12.19 |
| 7 | Jakob Voorkamp | Southland Boys High School | 12.30 |
| 8 | Gabriel Dos Santos | Middleton Grange School | 12.64 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Finn Hawkins | Christchurch Boys High School | 11.39 |
| 2 | Cody Lawson | Southland Boys High School | 11.58 |
| 3 | Toby Grant | Ashburton College | 11.89 |
| 4 | Niall Foster | Nelson College | 11.93 |
| 5 | Ethan Hole | Geraldine High School | 12.04 |
| 6 | Theo Friedel | Hillmorton High School | 12.11 |
| 7 | Thomas Jenkins | Kings High School | 12.18 |
| 8 | Tayden Hill | Nelson College | 12.18 |