| Placing | Athlete | Team | Finals | Wind |
|---|---|---|---|---|
| 1 | Marshall Hall | Waitaki Boys' High School | 45.55 | |
| 2 | Kieran Coll | Christ's College | 40.36 | |
| 3 | Brock Payne | Central Southland Coll | 39.55 | |
| 4 | Karl George | Kings High School | 36.50 | |
| 5 | Arthur Hlavac-Green | Burnside High School | 33.79 | |
| 6 | Ngawaka West | Tuatapere Community College | 33.32 | |
| 7 | Nathaniel Shaw | Roncalli College | 32.61 | |
| 8 | Logan Morton | Blue Mountain College | 32.58 | |
| 9 | Andy Tsai | Christchurch Boys High Sc | 32.24 | |
| 10 | Hanan Huston | John McGlashan College | 31.51 | |
| 11 | Jonny Delore | Nelson College | 30.43 | |
| -- | Tipene Clarke | Timaru Boys' High School | DNS | |
| -- | Jesse Hughes | Shirley Boys High School | DNS | |
| -- | Fo'ou Robertson-Tuieti | Marlborough Boys College | DNS | |
| -- | Blair Wilson | Westland High School | F |