| Placing | Athlete | Team | Preliminaries | Wind |
|---|---|---|---|---|
| 1 | James Johnston | St Thomas of Canterbury C | 35.23q | |
| 2 | Patrick Hughes-Games | Combined Country High Sch | 34.71q | |
| 3 | Ben Evans | St Bede's College | 34.15q | |
| 4 | Robert Calkin | Christchurch Boys High Sc | 34.10q | |
| 5 | Sean Harris | Burnside High School | 32.31q | |
| 6 | Forbes Leckie | Christ's College | 31.67 | |
| 7 | Kiril Davidovski | Burnside High School | 31.15q | |
| 8 | Jack Kain | Christ's College | 28.71q | |
| 9 | Jack Hammond | Burnside High School | 28.47q | |
| 10 | Ed Turney | Christ's College | 28.18q | |
| 11 | Richard Stowers-Murray | Shirley Boys High School | 25.71 | |
| 12 | Teone Kahu | Hagley Community College | 25.09 | |
| 13 | Joseph Fidow | Shirley Boys High School | 24.67 | |
| 14 | Luke Gillespie | Middleton Grange | 24.16 | |
| 15 | Primo Afeau | St Bede's College | 22.60 | |
| 16 | Jonti Dimond | St Bede's College | 21.63 | |
| -- | Tony Huang | Burnside High School | DNS | |
| -- | James Fairbairn | St Andrew's College | DNS | |
| -- | Matt Crake | Papanui High School | DNS |
| Placing | Athlete | Team | Finals | Wind |
|---|---|---|---|---|
| 1 | Kiril Davidovski | Burnside High School | 39.44 | |
| 2 | Ben Evans | St Bede's College | 36.08 | |
| 3 | Jack Kain | Christ's College | 35.90 | |
| 4 | Robert Calkin | Christchurch Boys High Sc | 33.97 | |
| 5 | James Johnston | St Thomas of Canterbury C | 33.20 | |
| 6 | Sean Harris | Burnside High School | 32.34 | |
| 7 | Ed Turney | Christ's College | 29.85 | |
| 8 | Jack Hammond | Burnside High School | 23.88 | |
| -- | Patrick Hughes-Games | Combined Country High Sch | DNS |