| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Joel Armstrong | Middleton Grange School | 52.54q |
| 2 | Matthew Nesbitt | Wanganui Collegiate | 52.75q |
| 3 | Chris Girling-McLean | Wairarapa College | 53.43q |
| 4 | Craig McConnochie | St Pauls Collegiate (Hamilton) | 54.05q |
| 5 | Mark Stokes | Hawera High School | 55.59 |
| 6 | Jun Park | Macleans College | 57.13 |
| -- | Brendan Jamieson | Tawa College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sam Fox | Rotorua Lakes High School | 52.04q |
| 2 | Tama Hipango | Wanganui High School | 52.32q |
| 3 | Glen Beadle | Taieri College | 52.72q |
| 4 | Sam Briggs | Ashburton College | 53.08q |
| 5 | Steven Langdon | Tauranga Boys' College | 53.10q |
| 6 | Gareth James | Wellington College | 54.06q |
| 7 | Michael Cooke | Kelston Boys High School | 58.66 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Michael Whitehead | Waiuku College | 52.34q |
| 2 | Ilya Demeshev | Wellington College | 52.40q |
| 3 | Christo Creffier | Havelock North High School | 53.21q |
| 4 | Declan Fuller | Rongotai College | 53.61q |
| 5 | Jacob Wilkinson | Auckland Grammar School | 55.69 |
| 6 | Jaaron Fritz | St John College | 56.37 |
| 7 | Jeremy Webster | Middleton Grange School | 57.85 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Zac Newell-Chard | Fairfield College | 51.97q |
| 2 | Dominic HIggins | Kings College | 52.15q |
| 3 | Dylan MacKay | Wellington College | 53.19q |
| 4 | Tim Coubough | St Peter's School | 53.62q |
| 5 | Liam Mitchell | Auckland Grammar School | 53.97q |
| 6 | Hamish McIntosh | Mt Albert Grammar | 54.24 |
| 7 | Andrew Hodgson | Timaru Boys' High School | 56.61 |
| 8 | James Murphy | St Patrick's College (Silverst | 58.45 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Matthew Robinson | Southland Boys High School | 51.83q |
| 2 | Ashton Tuck | Napier Boys High School | 52.05q |
| 3 | Simon Wilkes | St Pauls Collegiate (Hamilton) | 53.05q |
| 4 | Jake Quor | Waitakere College | 53.45q |
| 5 | Cam Sinclair | Wairarapa College | 53.98q |
| 6 | Tim Wilkinson | Otago Boys High School | 54.89 |
| 7 | Patrick Boyd | St Kentigern College | 58.06 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Matthew Robinson | Southland Boys High School | 50.13q |
| 2 | Ashton Tuck | Napier Boys High School | 50.34q |
| 3 | Dominic HIggins | Kings College | 51.07q |
| 4 | Dylan MacKay | Wellington College | 52.01 |
| 5 | Declan Fuller | Rongotai College | 52.62 |
| 6 | Cam Sinclair | Wairarapa College | 53.54 |
| 7 | Jake Quor | Waitakere College | 53.61 |
| 8 | Simon Wilkes | St Pauls Collegiate (Hamilton) | 53.83 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Joel Armstrong | Middleton Grange School | 51.05q |
| 2 | Zac Newell-Chard | Fairfield College | 51.50q |
| 3 | Tama Hipango | Wanganui High School | 52.32 |
| 4 | Steven Langdon | Tauranga Boys' College | 52.69 |
| 5 | Christo Creffier | Havelock North High School | 52.94 |
| 6 | Tim Coubough | St Peter's School | 53.45 |
| 7 | Glen Beadle | Taieri College | 53.46 |
| 8 | Gareth James | Wellington College | 54.12 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Ilya Demeshev | Wellington College | 50.33q |
| 2 | Chris Girling-McLean | Wairarapa College | 50.65q |
| 3 | Sam Fox | Rotorua Lakes High School | 51.02q |
| 4 | Matthew Nesbitt | Wanganui Collegiate | 51.84 |
| 5 | Sam Briggs | Ashburton College | 52.93 |
| 6 | Craig McConnochie | St Pauls Collegiate (Hamilton) | 53.91 |
| 7 | Liam Mitchell | Auckland Grammar School | 54.10 |
| 8 | Michael Whitehead | Waiuku College | 58.62 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Matthew Robinson | Southland Boys High School | 48.74 |
| 2 | Ilya Demeshev | Wellington College | 49.74 |
| 3 | Ashton Tuck | Napier Boys High School | 49.78 |
| 4 | Joel Armstrong | Middleton Grange School | 49.87 |
| 5 | Sam Fox | Rotorua Lakes High School | 50.66 |
| 6 | Chris Girling-McLean | Wairarapa College | 50.80 |
| 7 | Dominic HIggins | Kings College | 51.51 |
| 8 | Zac Newell-Chard | Fairfield College | 51.86 |