| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Robert Jopp | John McGlashan | 23.10q |
| 2 | Gavin Stark | Blue Mountain | 23.78q |
| 3 | Jesse Porter | East Otago High School | 24.44q |
| 4 | Rhys Black | James Hargest High School | 25.25q |
| 5 | Felix Lucas | Otago Boys | 25.31q |
| 6 | Matthew Escott | James Hargest High School | 25.88 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jesse Te Maiharoa | Otago Boys | 25.13q |
| 2 | Ben Johnson | Kings High School | 25.17q |
| 3 | Riley McDowall | Gore High School | 25.35q |
| 4 | Callan Cayford | Kaikorai Valley | 25.74 |
| 5 | Ethan Sharman | Gore High School | 26.03 |
| -- | Ashley Wear | Otago Boys | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Robert Jopp | John McGlashan | 24.01 |
| 2 | Gavin Stark | Blue Mountain | 24.02 |
| 3 | Jesse Porter | East Otago High School | 25.34 |
| 4 | Rhys Black | James Hargest High School | 25.57 |
| 5 | Ben Johnson | Kings High School | 25.59 |
| 6 | Riley McDowall | Gore High School | 25.73 |
| 7 | Felix Lucas | Otago Boys | 26.12 |
| -- | Jesse Te Maiharoa | Otago Boys | SCR |