| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | David Ambler | Christchurch Boys High Sc | 23.46q |
| 2 | Matt Bozinhoff | Shirley Boys High School | 23.85q |
| 3 | Sheldon Reed | Christ's College | 24.35q |
| -- | Salei Leota | St Thomas of Canterbury C | DNS |
| -- | Ryan Sullivan | St Bede's College | DNS |
| -- | Lee Todd | Mairehau High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ricky Litisone | Christchurch Boys High Sc | 22.97q |
| 2 | Allen Carbon | Burnside High School | 24.38q |
| 3 | Cameron Mitchell | St Andrew's College | 24.74q |
| 4 | Jordan Ryder | St Bede's College | 25.28 |
| 5 | Andrew McHaffie | Riccarton High School | 27.57 |
| 6 | Takaomi Shiraki | Kaiapoi High School | 30.19 |
| -- | Fraser Henderson | Christ's College | DNS |
| -- | Jason Sinclair | Shirley Boys High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kieran Farr | St Andrew's College | 24.35q |
| 2 | Josh Sprott | Hillmorton High School | 24.56q |
| 3 | Sam Zarifeh | Shirley Boys High School | 24.97 |
| 4 | Tasi Telea | St Thomas of Canterbury C | 27.38 |
| -- | Symon Beedles | Mairehau High School | DNS |
| -- | Tim Couprie | Middleton Grange | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | David Ambler | Christchurch Boys High Sc | 22.27 |
| 2 | Ricky Litisone | Christchurch Boys High Sc | 22.43 |
| 3 | Matt Bozinhoff | Shirley Boys High School | 22.46 |
| 4 | Sheldon Reed | Christ's College | 24.24 |
| 5 | Allen Carbon | Burnside High School | 24.64 |
| 6 | Cameron Mitchell | St Andrew's College | 24.80 |
| -- | Kieran Farr | St Andrew's College | DNS |
| -- | Josh Sprott | Hillmorton High School | DNS |