| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ben Lim | Riccarton High School | 15.18q |
| 2 | Henry Jackson | Shirley Boys High School | 15.37 |
| 3 | Felix Wells | Christ's College | 16.40q |
| 4 | Digby Heard | Christ's College | 16.97q |
| -- | William Mohammed | Christ's College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Shayne Anderson | St Bede's College | 14.46q |
| 2 | William Laikong | Shirley Boys High School | 15.21q |
| 3 | Tim Jones Franklin | St Bede's College | 15.52q |
| 4 | Michael Koster | Shirley Boys High School | 17.89q |
| 5 | Madison Wells | St Bede's College | 18.14 |
| 6 | Jaden Milligan | Christchurch Boys High Sc | 18.37 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Shayne Anderson | St Bede's College | 13.99 |
| 2 | William Laikong | Shirley Boys High School | 14.43 |
| 3 | Michael Koster | Shirley Boys High School | 14.86 |
| 4 | Jackson Henry | Shirley Boys High School | 14.95 |
| 5 | Tim Jones Franklin | St Bede's College | 15.02 |
| 6 | Ben Lim | Riccarton High School | 15.12 |
| 7 | Felix Wells | Christ's College | 15.53 |
| 8 | Digby Heard | Christ's College | 16.22 |