| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Frazer Wickes | Athletics Auckland | 49.80q |
| 2 | Mathew Robinson | Athletics Southland | 49.90q |
| 3 | Joel Armstrong | Athletics Canterbury | 51.11q |
| 4 | Christopher Girling-McLean | Athletics Wellington | 51.17q |
| 5 | Tim Coubrough | Hamilton City Hawks Athletics | 52.90 |
| 6 | Jake Quor | Athletics Auckland | 53.60 |
| 7 | Matt Nesbitt | Athletics Manawatu Wanganui | 53.67 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Brandon Spencer | Athletics Southland | 50.57q |
| 2 | Michael Whitehead | Athletics Auckland | 50.85q |
| 3 | Christo Creffier | Athletics Hawkes Bay Gisborne | 51.34q |
| 4 | Gareth Hand | Athletics Auckland | 51.71q |
| 5 | Ashton Tuck | Athletics Hawkes Bay Gisborne | 51.92 |
| 6 | William Riley | Athletics Auckland | 52.22 |
| 7 | Chad BUTSON | Athletics Southland | 52.93 |
| 8 | Cameron Sinclair | Athletics Wellington | 54.75 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Brandon Spencer | Athletics Southland | 49.42 |
| 2 | Mathew Robinson | Athletics Southland | 49.46 |
| 3 | Frazer Wickes | Athletics Auckland | 50.26 |
| 4 | Joel Armstrong | Athletics Canterbury | 50.88 |
| 5 | Michael Whitehead | Athletics Auckland | 50.96 |
| 6 | Gareth Hand | Athletics Auckland | 51.72 |
| 7 | Christo Creffier | Athletics Hawkes Bay Gisborne | 51.73 |
| -- | Christopher Girling-McLean | Athletics Wellington | SCR |