| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jack Shipp | Wellington | 52.38q |
| 2 | William Smart | Wanganui | 52.45q |
| 3 | Matthew Connolly | Waikato Bay of Plenty | 52.76q |
| 4 | Edward Hewitt | Wairarapa | 53.49q |
| 5 | Harry Fitzsimmons | Auckland | 53.88 |
| 6 | Patrick Beer | Taranaki | 57.11 |
| -- | Benson Oosterbaan | Wellington | DQ |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Bennet Rogers | Waikato Bay of Plenty | 52.26q |
| 2 | Fletcher Greaves | Wellington | 52.46q |
| 3 | Billy Kerr | East Coast North Island | 53.05q |
| 4 | Ethan Morris | Auckland | 53.78q |
| 5 | Bailey Stewart | Auckland | 54.11 |
| 6 | Ben McLean | Waikato Bay of Plenty | 54.51 |
| 7 | Angus Goodwin | Wanganui | 58.80 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Jack Shipp | Wellington | 50.77 |
| 2 | Bennet Rogers | Waikato Bay of Plenty | 50.85 |
| 3 | Billy Kerr | East Coast North Island | 51.28 |
| 4 | Fletcher Greaves | Wellington | 51.82 |
| 5 | Matthew Connolly | Waikato Bay of Plenty | 52.14 |
| 6 | William Smart | Wanganui | 52.44 |
| 7 | Ethan Morris | Auckland | 53.19 |
| 8 | Edward Hewitt | Wairarapa | 55.33 |