| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Felix McDonald | Kings High School | 55.22q |
| 2 | Sam Kearins | Palmerston North Boys High Sch | 55.71q |
| 3 | Thomas England | St Patrick's College (Silverst | 55.78q |
| 4 | Jace Donnelly | St Bede's College | 55.96q |
| 5 | Louis Young | Mahurangi College | 56.48q |
| 6 | Jack Hunter | Avondale College | 1:03.85 |
| 7 | Callum Wilkie | Havelock North High School | 1:11.06 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jacob Reese-Jones | St Bede's College | 55.01q |
| 2 | Ben Wade | Christ's College | 55.14q |
| 3 | Daniel Tattley | Riccarton High School | 56.01q |
| 4 | Ryan Burgess | Avondale College | 56.04q |
| 5 | Jed Cookson-Ryan | Cashmere High School | 58.47 |
| 6 | Joshua Baverstock | Sacred Heart College (Auckland | 1:01.27 |
| 7 | Mac Basford | Timaru Boys' High School | 1:01.77 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Josh Ledger | Hutt International Boys' Schoo | 52.67q |
| 2 | Edze Bierema | Ashburton College | 54.27q |
| 3 | Joel Taylor | St Pauls Collegiate (Hamilton) | 56.13q |
| 4 | Cameron McIlraith | Auckland Grammar School | 57.42q |
| 5 | Matthew Sinclair | Kristin School | 57.53q |
| 6 | Bartholomew English | St Patrick's College (Kilbirni | 59.15 |
| 7 | Hamish Watson | Gore High School | 1:03.20 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Javon McCallum | New Plymouth Boys High School | 53.43q |
| 2 | Ryan Ballantyne | St Pauls Collegiate (Hamilton) | 53.98q |
| 3 | Jesse Houston | Mt Hutt College | 54.44q |
| 4 | Christian Blackie | Otago Boys High School | 55.18q |
| 5 | Dion Spackman | Palmerston North Boys High Sch | 56.80q |
| 6 | Matthew McLellan | Waitaki Boys' High School | 57.14q |
| 7 | John Steven | Mt Aspiring College | 58.25 |
| 8 | Luke Woodward | Hamilton Boys High School | 59.82 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Paddy Kellow | Palmerston North Boys High Sch | 55.61q |
| 2 | Connor McErlich | Wanganui Collegiate | 56.49q |
| 3 | Hunter Curran | Sacred Heart College (Auckland | 56.59q |
| 4 | Zachary Hughes | Albany Senior High School | 57.20q |
| 5 | Reece Thompson | Tauranga Boys' College | 1:00.22 |
| 6 | Joshua Harrison | St John College | 1:02.85 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Jacob Reese-Jones | St Bede's College | 53.60q |
| 2 | Sam Kearins | Palmerston North Boys High Sch | 53.95q |
| 3 | Hunter Curran | Sacred Heart College (Auckland | 54.47 |
| 4 | Christian Blackie | Otago Boys High School | 55.25 |
| 5 | Felix McDonald | Kings High School | 55.32 |
| 6 | Connor McErlich | Wanganui Collegiate | 56.32 |
| 7 | Zachary Hughes | Albany Senior High School | 56.84 |
| 8 | Matthew McLellan | Waitaki Boys' High School | 58.69 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Javon McCallum | New Plymouth Boys High School | 52.82q |
| 2 | Paddy Kellow | Palmerston North Boys High Sch | 53.31q |
| 3 | Jesse Houston | Mt Hutt College | 53.69q |
| 4 | Ben Wade | Christ's College | 54.07q |
| 5 | Joel Taylor | St Pauls Collegiate (Hamilton) | 56.65 |
| 6 | Jace Donnelly | St Bede's College | 57.32 |
| 7 | Cameron McIlraith | Auckland Grammar School | 57.34 |
| 8 | Dion Spackman | Palmerston North Boys High Sch | 57.63 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Josh Ledger | Hutt International Boys' Schoo | 51.63q |
| 2 | Ryan Ballantyne | St Pauls Collegiate (Hamilton) | 53.88q |
| 3 | Edze Bierema | Ashburton College | 54.27 |
| 4 | Thomas England | St Patrick's College (Silverst | 55.12 |
| 5 | Louis Young | Mahurangi College | 55.42 |
| 6 | Daniel Tattley | Riccarton High School | 56.05 |
| 7 | Matthew Sinclair | Kristin School | 56.43 |
| 8 | Ryan Burgess | Avondale College | 1:00.06 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Josh Ledger | Hutt International Boys' Schoo | 50.32 |
| 2 | Javon McCallum | New Plymouth Boys High School | 51.34 |
| 3 | Paddy Kellow | Palmerston North Boys High Sch | 52.03 |
| 4 | Jesse Houston | Mt Hutt College | 52.77 |
| 5 | Sam Kearins | Palmerston North Boys High Sch | 52.95 |
| 6 | Jacob Reese-Jones | St Bede's College | 53.21 |
| 7 | Ben Wade | Christ's College | 53.76 |
| 8 | Ryan Ballantyne | St Pauls Collegiate (Hamilton) | 53.94 |