| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Flynn Marshall | Orewa College | 51.07q |
| 2 | James Robertson | Kings College | 51.54q |
| 3 | Raymond O'Rourke | Napier Boys High School | 53.04q |
| 4 | Dominic Morrison | John McGlashan College | 53.46q |
| 5 | Shay Russek | Mt Albert Grammar | 53.73 |
| 6 | Matthew Durant | Christ's College | 54.93 |
| 7 | Alexander Kempt | St Patrick's College (Silverst | 55.46 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Travis Bayler | Whanganui High School | 51.07q |
| 2 | Louis Northcott | Kapiti College | 51.30q |
| 3 | Joseph Chamberlain | Freyberg High School | 51.53q |
| 4 | William Ferguson | Christchurch Boys High School | 53.56q |
| 5 | Ben Lund | John McGlashan College | 54.43 |
| 6 | Dominic Mutti | Macleans College | 54.52 |
| 7 | Christopher Ireland | Christ's College | 55.08 |
| 8 | Oliver Puchner | Tauranga Boys' College | 56.33 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | John Gerber | St Bede's College | 51.52q |
| 2 | Ruaridh Ferguson | Wellington College | 51.95q |
| 3 | Oliver Dunshea | Kings College | 52.24q |
| 4 | Tom Sullivan | John McGlashan College | 53.35q |
| 5 | Jamie Daly-Jones | Western Springs College | 53.36q |
| 6 | Flynn Johnston | Whanganui High School | 54.54 |
| 7 | Jaden McHerron | Christchurch Boys High School | 55.87 |
| 8 | Karl Bradley | St Peter's School | 55.97 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kane De Vries | Hawera High School | 53.81q |
| 2 | Zinan Bennett | Middleton Grange School | 53.95q |
| 3 | Jake Christion-Goss | Napier Boys High School | 55.29 |
| 4 | Jakob Moorhouse | Whanganui High School | 55.64 |
| 5 | Patrick Long | Auckland Grammar School | 56.10 |
| 6 | Blake Parker | Westlake Boys High School | 56.41 |
| 7 | Ethan Du Toit | St Patrick's College (Silverst | 58.03 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Shay Veitch | John McGlashan College | 51.97q |
| 2 | John Wells | Christ's College | 52.73q |
| 3 | Lee Lober Chan | Auckland Grammar School | 52.77q |
| 4 | Apisalome Sikaidoka | Timaru Boys' High School | 55.01 |
| 5 | John McLean | St Peter's School | 55.28 |
| 6 | Nelson Tangaroa | Cook Islands | 57.79 |
| 7 | Henry Brown | Christchurch Boys High School | 58.44 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Taylor Smith | Tauranga Boys' College | 51.82q |
| 2 | Sam Potter | Albany Senior High School | 53.06q |
| 3 | Ethan Butcher | Wairarapa College | 54.59 |
| 4 | Jed Thompson-Fawcett | John McGlashan College | 55.64 |
| 5 | Ethan McKenzie | Hutt International Boys' Schoo | 57.92 |
| 6 | Sam Horgan | St Bede's College | 59.92 |
| 7 | Ryan Bayler | Whanganui High School | 1:00.19 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Colby Brennan | Mt Maunganui College | 50.94q |
| 2 | Jack Rodgers | Christchurch Boys High School | 51.90q |
| 3 | Charles Devlin | Glendowie College | 52.23q |
| 4 | Cameron Mantell | St Bede's College | 53.50q |
| 5 | Harry Jones | Wellington College | 54.37 |
| 6 | Joshua Friend | Otago Boys High School | 55.58 |
| 7 | Matt Raath | St Peter's School | 56.52 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Travis Bayler | Whanganui High School | 50.81q |
| 2 | Louis Northcott | Kapiti College | 51.04q |
| 3 | Taylor Smith | Tauranga Boys' College | 51.37 |
| 4 | Zinan Bennett | Middleton Grange School | 52.16 |
| 5 | Ruaridh Ferguson | Wellington College | 52.18 |
| 6 | Oliver Dunshea | Kings College | 52.78 |
| 7 | Cameron Mantell | St Bede's College | 53.67 |
| 8 | Tom Sullivan | John McGlashan College | 53.74 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | John Gerber | St Bede's College | 49.64q |
| 2 | James Robertson | Kings College | 49.75q |
| 3 | Flynn Marshall | Orewa College | 50.72q |
| 4 | Jack Rodgers | Christchurch Boys High School | 51.62 |
| 5 | Joseph Chamberlain | Freyberg High School | 52.09 |
| 5 | Charles Devlin | Glendowie College | 52.09 |
| 7 | Jamie Daly-Jones | Western Springs College | 52.59 |
| 8 | Dominic Morrison | John McGlashan College | 53.89 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Shay Veitch | John McGlashan College | 48.90q |
| 2 | Colby Brennan | Mt Maunganui College | 50.31q |
| 3 | Sam Potter | Albany Senior High School | 50.75q |
| 4 | John Wells | Christ's College | 52.06 |
| 5 | Kane De Vries | Hawera High School | 52.90 |
| 6 | William Ferguson | Christchurch Boys High School | 53.09 |
| 6 | Raymond O'Rourke | Napier Boys High School | 53.09 |
| 8 | Lee Lober Chan | Auckland Grammar School | 54.21 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Shay Veitch | John McGlashan College | 47.52 |
| 2 | John Gerber | St Bede's College | 49.50 |
| 3 | Colby Brennan | Mt Maunganui College | 49.95 |
| 4 | Louis Northcott | Kapiti College | 50.13 |
| 5 | Travis Bayler | Whanganui High School | 50.46 |
| 6 | Flynn Marshall | Orewa College | 51.38 |
| 7 | James Robertson | Kings College | 51.58 |
| 8 | Sam Potter | Albany Senior High School | 53.12 |