| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Martin Swart | Christchurch Boys High Sc | 15.54q |
| 2 | Tim Jones Franklin | St Bede's College | 15.98q |
| 3 | Ben Lim | Riccarton High School | 16.19q |
| 4 | Michael Koster | Shirley Boys High School | 16.33q |
| -- | Ebbett Bronson | St Bede's College | DNS |
| -- | Tom Clink | Burnside High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Robert Calkin | Christchurch Boys High Sc | 16.10q |
| 2 | Hayden Hall | Kaiapoi High School | 16.49q |
| 3 | William Laikong | Shirley Boys High School | 16.75q |
| 4 | Andrew Thorn | Hornby High School | 17.74q |
| 5 | Jim Huang | Burnside High School | 18.69 |
| 6 | Jonathan Fitzgerald | Lincoln High School | 19.66 |
| -- | Sam Lentjes | St Bede's College | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Andrew Thorn | Hornby High School | 14.50 |
| 2 | Martin Swart | Christchurch Boys High Sc | 14.68 |
| 3 | Tim Jones Franklin | St Bede's College | 14.72 |
| 4 | Michael Koster | Shirley Boys High School | 15.14 |
| 5 | Hayden Hall | Kaiapoi High School | 15.16 |
| 6 | Robert Calkin | Christchurch Boys High Sc | 15.22 |
| 7 | William Laikong | Shirley Boys High School | 15.31 |
| 8 | Ben Lim | Riccarton High School | 15.63 |