| Placing | Team | Preliminaries |
|---|---|---|
| 1 | St Andrew's College - A |
52.04q |
| 2 | Burnside High School - A |
53.30q |
| 3 | Christ's College - A |
53.32q |
| 4 | Christchurch Boys High Sc - A |
53.43q |
| 5 | Cashmere High School - A |
55.54q |
| 6 | St Thomas of Canterbury C - A |
56.02q |
| Placing | Team | Preliminaries |
|---|---|---|
| 1 | St Bede's College - A |
51.28q |
| 2 | Shirley Boys High School - A |
52.96q |
| 3 | Lincoln High School - A |
56.64 |
| 4 | Rangiora High School - A |
58.67 |
| 5 | Middleton Grange - A |
59.55 |
| 6 | Ellesmere College - A |
1:02.52 |
| Placing | Team | Finals |
|---|---|---|
| 1 | St Bede's College - A |
50.12 |
| 2 | St Andrew's College - A |
50.38 |
| 3 | Christchurch Boys High Sc - A |
51.50 |
| 4 | Christ's College - A |
52.15 |
| 5 | Burnside High School - A |
52.47 |
| 6 | Cashmere High School - A |
52.62 |
| 7 | Shirley Boys High School - A |
53.41 |
| 8 | St Thomas of Canterbury C - A |
53.64 |