| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Zack Kimmins | St Patrick's College (Kilbirni | 23.58q |
| 2 | Tom Hughson | Wellington College | 23.81q |
| 3 | Theo Friedel | Hillmorton High School | 23.93q |
| 4 | Rishaan Kumar | Ashburton College | 24.59q |
| 5 | Eli Craig | Rolleston College | 24.98q |
| 6 | Blake Hollamby | Timaru Boys' High School | 25.91 |
| -- | Robert Carrick | New Plymouth Boys High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Lucas Stevens | Christchurch Boys High School | 23.71q |
| 2 | Oliver Jones | St Bede's College | 23.71q |
| 3 | Luke Jarvis | Paraparaumu College | 24.12 |
| 4 | Adam Smith | Palmerston North Boys High Sch | 24.70q |
| 5 | James McGregor | Whanganui High School | 25.85 |
| 6 | Riley Horne | Otago Boys High School | 26.30 |
| -- | Dino MacRae | Darfield High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Cruz Marra | St Peter's School | 24.10q |
| 2 | Jeremy Habwe | Christchurch Boys High School | 24.38q |
| 3 | James Savage | Palmerston North Boys High Sch | 24.53q |
| 4 | Cody Broderson | Rangiora High School | 25.80 |
| 5 | Josiah Tia | St Patrick's College (Silverst | 25.86 |
| 6 | Christian Tolo | Fiji Athletics | 27.87 |
| 7 | Tyler Wilshire | Darfield High School | 28.16 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Lowther | St Peter's School | 23.11q |
| 2 | Owen Lamb | St Kentigern College | 24.34q |
| 3 | Jack O'Neill | St Kevin's College | 25.19q |
| 4 | Justin Falconer | Whanganui High School | 25.25q |
| 5 | Max Browne | Auckland Grammar School | 25.45 |
| 6 | Pascal Omondiagbe | Middleton Grange School | 25.89 |
| 7 | Moses Corerega | Fiji Athletics | 25.99 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Cody Lawson | Southland Boys High School | 23.57q |
| 2 | Alastair Cheneka | Macleans College | 23.87q |
| 3 | Soren Kururangi | Palmerston North Boys High Sch | 24.52q |
| 4 | Edmund Ferro | John McGlashan College | 24.58q |
| 5 | Patrick Dawson | Roncalli College | 25.19q |
| 6 | Jamieson Braun | Auckland Grammar School | 25.48 |
| 7 | Yusuf Quazi | Wellington College | 26.70 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Troy Waldrom | St Patrick's College (Silverst | 23.90q |
| 2 | Remy Karauna | St Peter's School | 24.17q |
| 3 | Ricco Peauafi Symonds | St Andrew's College | 24.97q |
| 4 | Auguz Thongskul | Whanganui High School | 25.28 |
| 5 | Gideon Munu | Dilworth School | 25.56 |
| 6 | Aden Wilshire | Darfield High School | 25.65 |
| 7 | Tristan Wagner | Kuranui College | 25.71 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Zack Kimmins | St Patrick's College (Kilbirni | 23.73q |
| 2 | Lucas Stevens | Christchurch Boys High School | 23.84q |
| 3 | Alastair Cheneka | Macleans College | 24.18 |
| 4 | Soren Kururangi | Palmerston North Boys High Sch | 24.25 |
| 5 | James Savage | Palmerston North Boys High Sch | 24.68 |
| 6 | Adam Smith | Palmerston North Boys High Sch | 24.87 |
| 7 | Eli Craig | Rolleston College | 25.49 |
| -- | Remy Karauna | St Peter's School | DQ |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | James Lowther | St Peter's School | 23.31q |
| 2 | Oliver Jones | St Bede's College | 23.83q |
| 3 | Jeremy Habwe | Christchurch Boys High School | 24.13q |
| 4 | Cruz Marra | St Peter's School | 24.30 |
| 5 | Theo Friedel | Hillmorton High School | 24.54 |
| 6 | Edmund Ferro | John McGlashan College | 24.71 |
| 7 | Jack O'Neill | St Kevin's College | 24.88 |
| 8 | Justin Falconer | Whanganui High School | 25.07 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Cody Lawson | Southland Boys High School | 23.07q |
| 2 | Tom Hughson | Wellington College | 23.90q |
| 3 | Owen Lamb | St Kentigern College | 23.94 |
| 4 | Troy Waldrom | St Patrick's College (Silverst | 24.11q |
| 5 | Rishaan Kumar | Ashburton College | 25.00 |
| 6 | Ricco Peauafi Symonds | St Andrew's College | 25.19 |
| 7 | Patrick Dawson | Roncalli College | 25.64 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Cody Lawson | Southland Boys High School | 22.60 |
| 2 | James Lowther | St Peter's School | 22.62 |
| 3 | Zack Kimmins | St Patrick's College (Kilbirni | 23.31 |
| 4 | Oliver Jones | St Bede's College | 23.56 |
| 5 | Tom Hughson | Wellington College | 23.62 |
| 6 | Lucas Stevens | Christchurch Boys High School | 23.64 |
| 7 | Troy Waldrom | St Patrick's College (Silverst | 23.71 |
| -- | Jeremy Habwe | Christchurch Boys High School | DNS |