| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jacob Matson | Roncalli College | 24.27q |
| 2 | Sam Stewart | James Hargest High School | 25.72q |
| 3 | Dean van der Busse | Shirley Boys High School | 25.75q |
| 4 | Rory O'Neill | Kavanagh College | 26.13q |
| 5 | Karl Macdonald | Kavanagh College | 26.65 |
| 6 | Hemaua Samasoni | Kavanagh College | 26.77 |
| 7 | James Atkinson | St Thomas Of Canterbury Colleg | 27.61 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kieran Hunt | Ashburton College | 25.66q |
| 2 | Jordan Pinnock | Greymouth High School | 25.67q |
| 3 | Jonas Kale | Nayland College | 25.85q |
| 4 | Liam Finlayson | Burnside High School | 26.17q |
| 5 | Brooklan Niwa | Wakatipu High School | 26.23 |
| 6 | Ronan Jacobs | Timaru Boys' High School | 27.15 |
| 7 | Sean Mulcahy | Lincoln High School | 27.61 |
| -- | Liam Mulcahy | Lincoln High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Jacob Matson | Roncalli College | 24.27 |
| 2 | Jonas Kale | Nayland College | 25.48 |
| 3 | Jordan Pinnock | Greymouth High School | 25.58 |
| 4 | Sam Stewart | James Hargest High School | 26.02 |
| 5 | Kieran Hunt | Ashburton College | 26.05 |
| 6 | Dean van der Busse | Shirley Boys High School | 26.15 |
| 7 | Liam Finlayson | Burnside High School | 26.51 |
| 8 | Rory O'Neill | Kavanagh College | 26.78 |