| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Alistair McIntyre | Christchurch Boys High Sc | 23.82q |
| 2 | Callum Bell | Kaiapoi High School | 24.45q |
| 3 | Luke Vivian | Burnside High School | 24.57q |
| 4 | Callum Mulligan | St Andrew's College | 25.13q |
| 5 | Tim Smit | Rangiora New Life School | 25.88q |
| 6 | Sam Harvey | Lincoln High School | 26.59 |
| -- | Elliot Noble | Cashmere High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tim Faulkner | Shirley Boys High School | 24.64q |
| 2 | Thomas Kerr | St Thomas of Canterbury C | 25.79q |
| 3 | Jared Reason | Papanui High School | 27.42 |
| 4 | Dylan Rance | Rangiora High School | 30.96 |
| -- | Chris Dudley | Darfield High School | DNS |
| -- | Jeffrey Hendry | Cashmere High School | DNS |
| -- | Stephan Mather | Burnside High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kennan Phillips | Shirley Boys High School | 24.98q |
| 2 | Luke de Beus | St Bede's College | 25.31q |
| 3 | Cal Lawrie | St Bede's College | 25.40q |
| 4 | Baden Petrie | Combined Country High Sch | 25.41q |
| 5 | Hushdon Tohovaka | St Bede's College | 26.23q |
| -- | Rhys Nitz | Mairehau High School | DNS |
| -- | Yasuhiro Shima | Christchurch Boys High Sc | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Michael Koster | Shirley Boys High School | 24.67q |
| 2 | Hamish Brown | Christ's College | 25.04q |
| 3 | Matthew McLaughlin | St Thomas of Canterbury C | 25.49q |
| 4 | Robin Tiemeier | Lincoln High School | 25.95q |
| 5 | Joseph Maea | Hornby High School | 26.29 |
| -- | Theodore Faithful | Papanui High School | DNS |
| -- | Andrew Reynish | Mairehau High School | DNS |
| -- | James Watson | St Andrew's College | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Alistair McIntyre | Christchurch Boys High Sc | 23.88q |
| 2 | Tim Faulkner | Shirley Boys High School | 24.57q |
| 3 | Kennan Phillips | Shirley Boys High School | 24.90q |
| 4 | Hamish Brown | Christ's College | 25.11q |
| 5 | Luke de Beus | St Bede's College | 25.39 |
| 6 | Matthew McLaughlin | St Thomas of Canterbury C | 26.23 |
| -- | Tim Smit | Rangiora New Life School | DNS |
| -- | Robin Tiemeier | Lincoln High School | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Luke Vivian | Burnside High School | 24.52q |
| 2 | Callum Bell | Kaiapoi High School | 24.62q |
| 3 | Michael Koster | Shirley Boys High School | 24.63q |
| 4 | Callum Mulligan | St Andrew's College | 25.36q |
| 5 | Baden Petrie | Combined Country High Sch | 25.70 |
| 6 | Thomas Kerr | St Thomas of Canterbury C | 27.12 |
| -- | Cal Lawrie | St Bede's College | DNS |
| -- | Hushdon Tohovaka | St Bede's College | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Alistair McIntyre | Christchurch Boys High Sc | 23.77 |
| 2 | Tim Faulkner | Shirley Boys High School | 24.21 |
| 3 | Michael Koster | Shirley Boys High School | 24.21 |
| 4 | Luke Vivian | Burnside High School | 24.54 |
| 5 | Callum Bell | Kaiapoi High School | 24.68 |
| 6 | Kennan Phillips | Shirley Boys High School | 24.82 |
| 7 | Hamish Brown | Christ's College | 25.15 |
| -- | Callum Mulligan | St Andrew's College | DNS |