| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| -- | Kane Attrill | Kings High School | q |
| -- | Shae Barrett | Kings High School | q |
| -- | Clay Forward | John McGlashan | q |
| -- | Tyler Helm | Otago Boys High School | q |
| -- | Michael Jolly | Otago Boys High School | q |
| -- | Henrie Njob-Anti | Otago Boys High School | q |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Tyler Helm | Otago Boys High School | 27.23 |
| 2 | Michael Jolly | Otago Boys High School | 27.78 |
| 3 | Clay Forward | John McGlashan | 28.22 |
| 4 | Shae Barrett | Kings High School | 29.26 |
| -- | Kane Attrill | Kings High School | DNF |
| -- | Henrie Njob-Anti | Otago Boys High School | DNS |