| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kane Russell | Otago Boys | 11.91q |
| 2 | Cole McKenzie | Otago Boys | 12.05q |
| 3 | Toby Flett | Otago Boys | 12.07q |
| 4 | John Gilmour | Otago Boys | 12.34q |
| -- | Joshua Winship | Southland Boys High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Dee Jay Kennedy | James Hargest High School | 11.75q |
| 2 | Thomas Allan | Gore High School | 11.83q |
| 3 | Kahlan Tutauha | Blue Mountain | 12.82q |
| 4 | Tane Campbell | James Hargest High School | 13.82q |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Dee Jay Kennedy | James Hargest High School | 11.56 |
| 2 | Thomas Allan | Gore High School | 11.66 |
| 3 | Kane Russell | Otago Boys | 11.72 |
| 4 | Toby Flett | Otago Boys | 11.83 |
| 5 | John Gilmour | Otago Boys | 12.03 |
| 6 | Cole McKenzie | Otago Boys | 12.08 |
| 7 | Kahlan Tutauha | Blue Mountain | 12.63 |
| -- | Tane Campbell | James Hargest High School | DNS |