| Placing | Team | Preliminaries |
|---|---|---|
| 1 | Burnside High School - A |
52.68q |
| 2 | Riccarton High School - A |
53.35q |
| 3 | Lincoln High School - A |
54.85q |
| -- | Middleton Grange - A |
DNS |
| -- | St Andrew's College - A |
DQ |
| Placing | Team | Preliminaries |
|---|---|---|
| 1 | St Bede's College - A |
48.39q |
| 2 | Christchurch Boys High Sc - A |
48.90q |
| 3 | Shirley Boys High School - A |
49.89q |
| 4 | St Thomas of Canterbury C - A |
50.38q |
| 5 | Christ's College - A |
51.46q |
| Placing | Team | Finals |
|---|---|---|
| 1 | Christchurch Boys High Sc - A |
47.02 |
| 2 | St Bede's College - A |
47.41 |
| 3 | Shirley Boys High School - A |
48.73 |
| 4 | Burnside High School - A |
49.98 |
| 5 | Christ's College - A |
51.78 |
| 6 | Riccarton High School - A |
52.41 |
| -- | Lincoln High School - A |
DNS |
| -- | St Thomas of Canterbury C - A |
DQ |