| Placing | Athlete | Team | Finals | Wind |
|---|---|---|---|---|
| 1 | Tom Walsh | Timaru Boys' High School | 49.44 | |
| 2 | Ben Evans | St Bede's College | 43.29 | |
| 3 | Hamish Finnie | John McGlashan | 40.26 | |
| 4 | Andrew Thorn | Hornby High School | 39.61 | |
| 5 | Ben Mackay | Kings High School | 38.98 | |
| 6 | Napoleone Langi | Greymouth High School | 33.57 | |
| 7 | Crewze Kingi | Roxburgh Area School | 33.43 | |
| 8 | Philip Henderson | Geraldine High School | 31.98 | |
| 9 | Jesse Muir | Kings High School | 28.44 | |
| 10 | Ethan Harwood | St Peter's College (Gore) | 26.94 | |
| -- | Thomas Fry | Waitaki Boys' High School | DNS |