| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Dillon Todd | Otago Boys High School | 54.31 |
| 2 | Kieran Hunter | Taieri College | 57.85 |
| 3 | Mitchell Greaney | St Kevin's College | 58.27 |
| 4 | Nathan Thomson | Blue Mountain College | 58.37 |
| 5 | Connor Ellis | Taieri College | 1:02.64 |
| -- | Robere Hall | Kings High School | DNS |
| -- | Tom Wilson | John McGlashan | DNS |