| Placing | Team | Preliminaries |
|---|---|---|
| -- | Burnside High School - A |
q |
| -- | Cashmere High School - A |
q |
| -- | Christ's College - A |
q |
| -- | Christchurch Boys High Sc - A |
q |
| Placing | Team | Preliminaries |
|---|---|---|
| -- | Linwood College - A |
|
| -- | Middleton Grange - A |
q |
| -- | Shirley Boys High School - A |
|
| -- | St Bede's College - A |
q |
| Placing | Team | Finals |
|---|---|---|
| 1 | Christchurch Boys High Sc - A |
44.46 |
| 2 | Christ's College - A |
45.26 |
| 3 | Cashmere High School - A |
46.03 |
| 4 | Burnside High School - A |
46.06 |
| 5 | Middleton Grange - A |
46.92 |
| -- | St Bede's College - A |
DQ |