| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Rhian Douglas | Waimea College | 11.90q |
| 2 | Lucas Stevens | Christchurch Boys High School | 12.40q |
| 3 | Josh Mitchell | Te Aho o Te Kura Pounamu | 12.68q |
| 4 | Jeremy Habwe | Christchurch Boys High School | 12.69q |
| 5 | Te Ariki Roma | Kings High School | 13.14 |
| 6 | Lian Knoetze | Waitaki Boys' High School | 13.21 |
| 7 | Will Sanders | Shirley Boys High School | 13.22 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Alex Walker | John McGlashan College | 12.00q |
| 2 | Noel Ham | Christchurch Boys High School | 12.45q |
| 3 | Jake McDowell-Kitto | Central Southland College | 12.48q |
| 4 | Jacob Barlow | Rolleston College | 12.78q |
| 5 | Jack O'Neill | St Kevin's College | 12.81 |
| 6 | Ivan Orbase | Geraldine High School | 12.88 |
| 7 | Riley Horne | Otago Boys High School | 13.22 |
| 8 | Max Johansson | Westland High School | 13.25 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Leon Coribeer | Southland Boys High School | 12.95 |
| 2 | Giancarlo Coribeer | Southland Boys High School | 13.00 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Rhian Douglas | Waimea College | 11.41 |
| 2 | Alex Walker | John McGlashan College | 11.79 |
| 3 | Lucas Stevens | Christchurch Boys High School | 11.99 |
| 4 | Noel Ham | Christchurch Boys High School | 12.25 |
| 5 | Jacob Barlow | Rolleston College | 12.30 |
| 6 | Jeremy Habwe | Christchurch Boys High School | 12.32 |
| 7 | Josh Mitchell | Te Aho o Te Kura Pounamu | 12.44 |
| -- | Jake McDowell-Kitto | Central Southland College | DQ |