of Christchurch Boys High School
| Sex | Age | Competitor |
|---|---|---|
| Male | 15 | 1219 |
| Round | Placing | Result |
|---|---|---|
| Preliminaries | 8 | 58.07 |
| Semi Finals | 15 | 56.01 |
| Round | Placing | Result | Wind |
|---|---|---|---|
| Preliminaries | 31 | 5.08 | 1.9 |
| Round | Position | Placing | Result |
|---|---|---|---|
| Preliminaries | 1 | 1 | 46.30 |
| Finals | 1 | 4 | 46.44 |