| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ryan Williams | Ashburton College | 24.20q |
| 2 | Harlem Cole | Roncalli College | 24.70q |
| 3 | Galwey Nick | Mackenzie College | 25.40q |
| 4 | Tyrone Greenfield | Opihi College | 25.60q |
| 5 | Mitchell Keir | Geraldine High School | 26.10q |
| -- | Michael Lilley | Timaru Boys' High School | NT |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Neil Hill | Waitaki Boys' High School | 24.40q |
| 2 | Jahmahl Hollis-Dowdle | Ashburton College | 25.20q |
| 3 | Angus Norrie | Mt Hutt College | 25.50q |
| 4 | Darryl Tooley | Roncalli College | 26.30 |
| 5 | Ethan Liggett | Timaru Boys' High School | 26.50 |
| -- | Levi Hart | Geraldine High School | NT |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Ryan Williams | Ashburton College | 23.90 |
| 2 | Neil Hill | Waitaki Boys' High School | 24.20 |
| 3 | Harlem Cole | Roncalli College | 25.10 |
| 4 | Jahmahl Hollis-Dowdle | Ashburton College | 25.80 |
| 5 | Galwey Nick | Mackenzie College | 26.20 |
| -- | Tyrone Greenfield | Opihi College | NT |
| -- | Mitchell Keir | Geraldine High School | DNS |
| -- | Angus Norrie | Mt Hutt College | NT |