| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tim Jones | Christchurch Boys High School | 51.34q |
| 2 | Dane Petheram | Lincoln High School | 51.72q |
| 3 | Mathew Sims | Auckland Grammar School | 51.94q |
| 4 | Jason Redhead | Mountainview High School | 52.24q |
| 5 | Christopher Rhodes | Tauranga Boys' College | 52.48 |
| 6 | Daniel Croft | Wanganui Collegiate | 54.30 |
| 7 | Simon Millynn | St Patrick's College (Silverst | 57.33 |
| -- | James Gallagher | St Andrew's College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Andrew Underwood | Wellington College | 51.12q |
| 2 | Matt Bozhinoff | Shirley Boys High School | 51.79q |
| 3 | Ardyn Foy | Fairfield College | 52.11q |
| 4 | Hayden Pritchard | Palmerston North Boys High Sch | 52.48q |
| 5 | Michael Coom | Christchurch Boys High School | 53.27 |
| 6 | Campbell Rawson | Macleans College | 53.36 |
| -- | Jamie Wilson | St John's College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Alyx Hodgson | Takapuna Grammar School | 50.75q |
| 2 | Chris Gillies | Auckland Grammar School | 51.13q |
| 3 | Jono Leach | Marlborough Boys College | 51.65q |
| 4 | Vinnie Brown | Wellington College | 51.91q |
| 5 | Simon Wilkes | St Pauls Collegiate (Hamilton) | 52.76 |
| 6 | Stephen Buckley | Otumoetai College | 53.04 |
| 7 | Andrew MULLER | Te Awamutu College | 56.03 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jesse Buchan | Strathallan College | 51.12q |
| 2 | Hautahi Kingi | Wanganui Collegiate | 51.51q |
| 3 | MATTHEW TAMAKAHA | Manawatu College | 51.92q |
| 4 | Lewis Binnersley | Christ's College | 52.33q |
| 5 | David Pitt | St Patrick's College (Kilbirni | 53.25 |
| 6 | Tom Pritchard | Lindisfarne College | 53.33 |
| 7 | Jacob McCann | St Patrick's College (Silverst | 53.53 |
| 8 | Langdon Steven | Mt Maunganui College | 1:00.42 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Tim Jones | Christchurch Boys High School | 50.46q |
| 2 | Alyx Hodgson | Takapuna Grammar School | 50.51q |
| 3 | Chris Gillies | Auckland Grammar School | 50.54q |
| 4 | Ardyn Foy | Fairfield College | 50.64q |
| 5 | Jono Leach | Marlborough Boys College | 51.17 |
| 6 | Matt Bozhinoff | Shirley Boys High School | 51.92 |
| 7 | Vinnie Brown | Wellington College | 52.21 |
| 8 | Hayden Pritchard | Palmerston North Boys High Sch | 52.94 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Andrew Underwood | Wellington College | 50.65q |
| 2 | Jesse Buchan | Strathallan College | 50.97q |
| 3 | MATTHEW TAMAKAHA | Manawatu College | 51.40q |
| 4 | Hautahi Kingi | Wanganui Collegiate | 51.55q |
| 5 | Dane Petheram | Lincoln High School | 52.53 |
| 6 | Mathew Sims | Auckland Grammar School | 52.92 |
| 7 | Jason Redhead | Mountainview High School | 53.28 |
| 8 | Lewis Binnersley | Christ's College | 55.22 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Andrew Underwood | Wellington College | 47.90 |
| 2 | Alyx Hodgson | Takapuna Grammar School | 48.82 |
| 3 | Tim Jones | Christchurch Boys High School | 49.05 |
| 4 | Chris Gillies | Auckland Grammar School | 49.25 |
| 5 | Jesse Buchan | Strathallan College | 50.16 |
| 6 | Ardyn Foy | Fairfield College | 50.20 |
| 7 | MATTHEW TAMAKAHA | Manawatu College | 50.83 |
| 8 | Hautahi Kingi | Wanganui Collegiate | 51.57 |