| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Niko Verekauta | Oceania Club | 48.00q |
| 2 | Sam Rapson | Athletics Auckland | 48.83q |
| 3 | Peter Harrison | International | 49.14q |
| 4 | Chris Weddell | Athletics Otago | 53.39 |
| -- | Brendan Peeters | International | SCR |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Andrew Underwood | Athletics Wellington | 48.96q |
| 2 | Cory Innes | Athletics Otago | 49.16q |
| 3 | Ray Williams | International | 49.30q |
| 4 | Nick Ash | Athletics Canterbury | 49.57q |
| 5 | Moses Kamut | Oceania Club | 49.79q |
| 6 | Jarrod Adams | Athletics Otago | 51.14 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Cory Innes | Athletics Otago | 46.97 |
| 2 | Andrew Underwood | Athletics Wellington | 47.64 |
| 3 | Sam Rapson | Athletics Auckland | 47.83 |
| 4 | Niko Verekauta | Oceania Club | 47.94 |
| 5 | Nick Ash | Athletics Canterbury | 49.03 |
| 6 | Peter Harrison | International | 49.74 |
| 7 | Moses Kamut | Oceania Club | 49.93 |
| 8 | Ray Williams | International | 49.96 |