| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Leslie Taylor | Otago Boys High School | 51.74 |
| 2 | Paul Wyber | Otago Boys High School | 54.26 |
| 3 | Robert Brown | Kings High School | 54.67 |
| 4 | Glen Beadle | Taieri College | 55.60 |
| 5 | Jeremy Thomas | St Kevin's College | 56.18 |
| 6 | Rory McKenzie | St Kevin's College | 57.78 |
| 7 | Tangai Madambi | Kaikorai Valley College | 1:00.10 |
| -- | Rowan Baker | Cromwell College | DNS |