| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Dylan Moon | Mt Albert Grammar | 43.48q |
| 2 | Lane Tims | St Paul's Collegiate Ham | 43.83q |
| 3 | Joseph Sinclair | St John's College | 44.99q |
| 4 | Liam White | Waitakere College | 47.80 |
| 5 | Hamish McGiven | St Peter's School Camb | 49.54 |
| 6 | Tim Viana | Westlake Boys High School | 53.16 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Mattheus Pio | Hamilton Boys High School | 43.31q |
| 2 | Kayden Ralph-Smith | Howick College | 43.32q |
| 3 | Daniel Parkes | Botany Downs Secondary College | 44.39q |
| 4 | Rupert Naughton | St Bede's College | 45.82q |
| 5 | John Wells | Christ's College | 47.38q |
| 6 | Logan Henry | Wanganui Collegiate | 49.52 |
| 7 | Andrew Oliver | St John College | 50.43 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Mattheus Pio | Hamilton Boys High School | 39.28 |
| 2 | Daniel Parkes | Botany Downs Secondary College | 39.73 |
| 3 | Joseph Sinclair | St John's College | 41.02 |
| 4 | Dylan Moon | Mt Albert Grammar | 41.18 |
| 5 | Lane Tims | St Paul's Collegiate Ham | 43.55 |
| 6 | Kayden Ralph-Smith | Howick College | 44.07 |
| 7 | Rupert Naughton | St Bede's College | 44.37 |
| 8 | John Wells | Christ's College | 45.82 |