| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | William Lentjes | Christchurch Boys High Sc | 24.44q |
| 2 | Conan Moynihan | St Bede's College | 24.94q |
| 3 | Kale Bradshaw | St Thomas of Canterbury C | 25.56q |
| 4 | Sam Jamieson | St Andrew's College | 25.83q |
| 5 | Matthew Wingham | Middleton Grange | 26.37q |
| 6 | George Sanders | Lincoln High School | 27.64 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tyler Jarden | Christchurch Boys High Sc | 24.34q |
| 2 | Michael Ross | Combined Country High Sch | 26.43q |
| 3 | Mitchell Lassen | Papanui High School | 27.69 |
| 4 | Hugh Macleod | Christ's College | 29.42 |
| -- | Matt Clark | Shirley Boys High School | DNS |
| -- | Ben Short | Burnside High School | DNS |
| -- | Callum Walls | St Thomas of Canterbury C | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hamish McCormick | Burnside High School | 24.61q |
| 2 | Matthew Earl | St Bede's College | 25.57q |
| 3 | Jon Mokomoko | Hornby High School | 26.03q |
| 4 | James McIntyre | Riccarton High School | 27.26 |
| 5 | Sam Smith | Lincoln High School | 27.40 |
| -- | Jason Drost | Papanui High School | DNS |
| -- | Thomas Ingham | Christchurch Boys High Sc | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hamish Anderson | St Andrew's College | 24.98q |
| 2 | Peter Zeng | Christ's College | 25.13q |
| 3 | Samuel Kelso | Hillmorton High School | 25.17q |
| 4 | Jeremy Wright | Burnside High School | 25.78q |
| 5 | James Schrader | St Bede's College | 26.17q |
| 6 | Jonathan Lester | St Thomas of Canterbury C | 27.25q |
| -- | Jonathan Fitzgerald | Lincoln High School | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Tyler Jarden | Christchurch Boys High Sc | 23.80q |
| 2 | Conan Moynihan | St Bede's College | 23.97q |
| 3 | Peter Zeng | Christ's College | 25.10q |
| 4 | Matthew Earl | St Bede's College | 25.57q |
| 5 | Sam Jamieson | St Andrew's College | 26.23 |
| 6 | Jonathan Lester | St Thomas of Canterbury C | 26.73 |
| -- | Samuel Kelso | Hillmorton High School | DNS |
| -- | Jeremy Wright | Burnside High School | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | William Lentjes | Christchurch Boys High Sc | 23.59q |
| 2 | Hamish McCormick | Burnside High School | 24.02q |
| 3 | Hamish Anderson | St Andrew's College | 24.71q |
| 4 | Kale Bradshaw | St Thomas of Canterbury C | 25.17q |
| 5 | Matthew Wingham | Middleton Grange | 25.84 |
| 6 | Michael Ross | Combined Country High Sch | 25.85 |
| 7 | Jon Mokomoko | Hornby High School | 25.86 |
| 8 | James Schrader | St Bede's College | 26.71 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | William Lentjes | Christchurch Boys High Sc | 23.39 |
| 2 | Hamish McCormick | Burnside High School | 23.81 |
| 3 | Conan Moynihan | St Bede's College | 23.86 |
| 4 | Tyler Jarden | Christchurch Boys High Sc | 24.02 |
| 5 | Peter Zeng | Christ's College | 24.75 |
| 6 | Hamish Anderson | St Andrew's College | 24.93 |
| 7 | Matthew Earl | St Bede's College | 25.31 |
| 8 | Kale Bradshaw | St Thomas of Canterbury C | 25.60 |