| Placing | Athlete | Team | Preliminaries | Wind |
|---|---|---|---|---|
| 1 | Brandon Gleaves | Middleton Grange | 31.13q | |
| 2 | Anty Burnett | Christchurch Boys High Sc | 29.42q | |
| 3 | Bailey Paul | Linwood College | 29.02q | |
| 4 | Henare Faithfull | St Bede's College | 28.63q | |
| 5 | Swain Parkinson | Christchurch Boys High Sc | 28.36q | |
| 6 | Joshua Coard | Burnside High School | 27.69q | |
| 7 | Craig Smith | St Thomas of Canterbury C | 27.21q | |
| 8 | Thomas Traill | St Andrew's College | 25.47q | |
| 9 | Ethan McMillan | Darfield High School | 24.09 | |
| 10 | Daniel Berry | Shirley Boys High School | 23.84 | |
| 11 | George McCook | Christ's College | 21.93 | |
| 12 | Josh Prins | Kaiapoi High School | 19.42 | |
| 13 | Liam McKee | Burnside High School | 18.52 | |
| -- | Levi Brunton | St Bede's College | DNS | |
| -- | Keegan Mielnik | Shirley Boys High School | DNS | |
| -- | Thomas O'Malley | Christ's College | DNS | |
| -- | Jack Harling | St Bede's College | F | |
| -- | Jamie Green | Papanui High School | DNS | |
| -- | George Sproat | Christchurch Boys High Sc | DNS |
| Placing | Athlete | Team | Finals | Wind |
|---|---|---|---|---|
| 1 | Brandon Gleaves | Middleton Grange | 33.46 | |
| 2 | Bailey Paul | Linwood College | 31.18 | |
| 3 | Swain Parkinson | Christchurch Boys High Sc | 30.12 | |
| 4 | Joshua Coard | Burnside High School | 28.46 | |
| 5 | Craig Smith | St Thomas of Canterbury C | 28.42 | |
| 6 | Henare Faithfull | St Bede's College | 28.22 | |
| 7 | Anty Burnett | Christchurch Boys High Sc | 27.99 | |
| -- | Thomas Traill | St Andrew's College | DNS |