| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Andrew Underwood | Wellington College | 50.75q |
| 2 | Heath Dickson | Marlborough Boys College | 51.18q |
| 3 | Tim Coubrough | St Peter's School | 54.19q |
| 4 | Mandella Nono | St Patrick's College (Silverst | 55.23q |
| 5 | Jason Merrett | Burnside High School | 55.49q |
| 6 | Julian Huizinga | Macleans College | 56.01 |
| 7 | Cameron Furer | Te Awamutu College | 56.34 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Alyx Hodgson | Takapuna Grammar School | 50.42q |
| 2 | Hayden Pritchard | Palmerston North Boys High Sch | 51.54q |
| 3 | Zaan Janse | Wellington College | 52.95q |
| 4 | William Riley | Auckland Grammar School | 53.12q |
| 5 | Patrick Boyd | St Kentigern College | 54.00q |
| 6 | Laurence Holding | St Andrew's College | 56.23 |
| 7 | Ben Nowland | Hamilton Boys High School | 57.18 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ardyn Foy | Fairfield College | 52.11q |
| 2 | Tim Couprie | Middleton Grange School | 52.48q |
| 3 | Scott Mainwaring | Tauranga Boys' College | 53.02q |
| 4 | Sam Bindon | Geraldine High School | 53.16q |
| 5 | Tim Manson | Christ's College | 54.86q |
| 6 | Andrew Catlin | St Peter's School | 56.96 |
| 7 | Kieran McLaughlin | Hawera High School | 1:00.94 |
| -- | Simon Wilkes | St Pauls Collegiate (Hamilton) | DNF |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | David Pitt | St Patrick's College (Kilbirni | 51.47q |
| 2 | Christo Creffier | Havelock North High School | 53.08q |
| 3 | Gareth James | Wellington College | 53.85q |
| 4 | Tama Hipango | Wanganui High School | 54.14q |
| 5 | Shane Bankier | Shirley Boys High School | 55.00q |
| 6 | James Gallagher | St Andrew's College | 55.59 |
| 7 | Joseph Everest | Hastings Boys High School | 57.35 |
| 8 | Tobi Obafemi | Ashburton College | 58.53 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Steven Langdon | Mt Maunganui College | 52.96q |
| 2 | Dane Petheram | Lincoln High School | 54.20q |
| 3 | Michael Martelli | St Pauls Collegiate (Hamilton) | 55.06q |
| 4 | Cameron Sinclair | Wairarapa College | 55.08q |
| 5 | Andrew Muller | Te Awamutu College | 56.14 |
| 6 | Brent Sowerby | Rongotai College | 58.39 |
| 7 | Blake Thompson | St Patrick's College (Silverst | 58.92 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Alyx Hodgson | Takapuna Grammar School | 49.82q |
| 2 | Heath Dickson | Marlborough Boys College | 50.21q |
| 3 | Hayden Pritchard | Palmerston North Boys High Sch | 51.85q |
| 4 | Scott Mainwaring | Tauranga Boys' College | 52.44 |
| 5 | Gareth James | Wellington College | 52.99 |
| 6 | Tama Hipango | Wanganui High School | 53.61 |
| 7 | Patrick Boyd | St Kentigern College | 54.96 |
| 8 | Jason Merrett | Burnside High School | 55.44 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Andrew Underwood | Wellington College | 51.73q |
| 2 | Christo Creffier | Havelock North High School | 52.28q |
| 3 | Steven Langdon | Mt Maunganui College | 52.39 |
| 4 | Tim Coubrough | St Peter's School | 53.25 |
| 5 | Tim Manson | Christ's College | 55.30 |
| 6 | Sam Bindon | Geraldine High School | 56.31 |
| -- | Tim Couprie | Middleton Grange School | DNS |
| -- | Mandella Nono | St Patrick's College (Silverst | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Ardyn Foy | Fairfield College | 51.24q |
| 2 | David Pitt | St Patrick's College (Kilbirni | 51.77q |
| 3 | Dane Petheram | Lincoln High School | 51.86q |
| 4 | William Riley | Auckland Grammar School | 52.87 |
| 5 | Zaan Janse | Wellington College | 54.02 |
| 6 | Michael Martelli | St Pauls Collegiate (Hamilton) | 54.03 |
| 7 | Cameron Sinclair | Wairarapa College | 54.50 |
| 8 | Shane Bankier | Shirley Boys High School | 54.96 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Andrew Underwood | Wellington College | 47.99 |
| 2 | Alyx Hodgson | Takapuna Grammar School | 48.00 |
| 3 | Ardyn Foy | Fairfield College | 49.02 |
| 4 | Heath Dickson | Marlborough Boys College | 50.10 |
| 5 | David Pitt | St Patrick's College (Kilbirni | 51.59 |
| 6 | Dane Petheram | Lincoln High School | 51.70 |
| 7 | Hayden Pritchard | Palmerston North Boys High Sch | 51.73 |
| 8 | Christo Creffier | Havelock North High School | 52.30 |