| Placing | Team | Preliminaries |
|---|---|---|
| 1 | Dilworth School - A |
46.19q |
| 2 | Auckland Grammar School - A |
46.24q |
| 3 | Palmerston North Boys High Sch - A |
46.40q |
| 4 | St Andrew's College - A | 48.30 |
| 5 | St Peter's School - B |
50.63 |
| -- | Burnside High School - A | DQ |
| Placing | Team | Preliminaries |
|---|---|---|
| 1 | Christchurch Boys High School - A | 45.80q |
| 2 | St Peter's School - A |
45.99q |
| 3 | Middleton Grange School - A |
46.75q |
| 4 | St Patrick's College (Silverst - A |
47.59q |
| 5 | St Bede's College - A |
48.04q |
| 6 | Christchurch Boys High School - B | 49.45 |
| Placing | Team | Finals |
|---|---|---|
| 1 | Christchurch Boys High School - A | 45.43 |
| 2 | Auckland Grammar School - A | 45.99 |
| 3 | St Patrick's College (Silverst - A | 45.99 |
| 4 | Palmerston North Boys High Sch - A | 46.16 |
| 5 | Dilworth School - A | 46.40 |
| 6 | St Peter's School - A | 46.44 |
| -- | Middleton Grange School - A | DQ |
| -- | St Bede's College - A | F |