| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Glen Beadle | Taieri College | 53.40 |
| 2 | Tim Wilkinson | Otago Boys | 54.72 |
| 3 | Tom Latta | Otago Boys | 55.07 |
| 4 | William Sew Hoy | John McGlashan | 56.45 |
| -- | Russell Bungard | St Kevin's College | DNS |
| -- | Seamus Gray | Logan Park High School | DNS |
| -- | Jeremy Thomas | St Kevin's College | DNS |