| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Liam Mitchell | Auckland Grammar School | 52.95 |
| 2 | Tim Stokes | St Kentigern College | 53.78 |
| 3 | Anthony Cooke | Kings College | 54.03 |
| 4 | Luke Graham | Kings College | 55.48 |
| 5 | Daniel Coll | St Peter's College (Auckland) | 57.53 |
| 6 | Tim Wells | Botany Downs Secondary College | 58.27 |
| 7 | Kinitoa Hekemata | Avondale College | 1:01.75 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | William Riley | Auckland Grammar School | 51.79 |
| 2 | Cory Mills | Henderson High School | 55.34 |
| 3 | Anthony Gelling | Howick College | 55.66 |
| 4 | Andrew McIntyre-Robinson | Lynfield College | 56.07 |
| -- | Sean Drabble | Massey High School | DNS |
| -- | Luke Jury | Howick College | DNS |
| -- | Dakota Lucas | Mt Albert Grammar | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kimami Sitauti | Mt Albert Grammar | 51.53 |
| 2 | Jacob Wilkinson | Auckland Grammar School | 54.48 |
| 3 | jesse toto | Kings College | 55.45 |
| 4 | Christopher Kumar | Avondale College | 57.67 |
| 5 | James Simons | St Peter's College (Auckland) | 58.71 |
| 6 | Rawiri Jones | Waiheke High School | 1:01.55 |
| -- | Sean Gray | Auckland Grammar School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Scott Allison | Sacred Heart College (Auckland | 52.36 |
| 2 | Jake Quor | Waitakere College | 53.41 |
| 3 | Andre Jaques | Kings College | 54.73 |
| 4 | Kyle Wright | Sacred Heart College (Auckland | 56.88 |
| -- | Nathan Batt | Massey High School | DNS |
| -- | Cahon Mc Carthy | Western Springs College | DNS |