| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Toby Flett | Otago Boys High School | 11.51q |
| 2 | Dee Jay Kennedy | James Hargest High School | 11.63q |
| 3 | Scott Walker | Christchurch Boys High School | 11.64q |
| 4 | James Martin | Burnside High School | 12.05q |
| 5 | George Vae'au | Waitaki Boys' High School | 12.52 |
| -- | Kane Russell | Otago Boys High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Todd Johnston | Otago Boys High School | 11.39q |
| 2 | Jay Finikin | Roncalli College | 11.74q |
| 3 | Malcolm Creelman | Christchurch Boys High School | 11.91q |
| 4 | Tom Hall | Timaru Boys' High School | 12.41q |
| -- | James Pearson | Riccarton High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Todd Johnston | Otago Boys High School | 11.39 |
| 2 | Scott Walker | Christchurch Boys High School | 11.45 |
| 3 | Dee Jay Kennedy | James Hargest High School | 11.61 |
| 4 | Toby Flett | Otago Boys High School | 11.67 |
| 5 | Malcolm Creelman | Christchurch Boys High School | 11.76 |
| 6 | Jay Finikin | Roncalli College | 11.90 |
| 7 | James Martin | Burnside High School | 12.20 |
| 8 | Tom Hall | Timaru Boys' High School | 12.33 |