| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Mitchell Snell | East Coast North Island | 1:58.15q |
| 2 | Benjamin Wall | Manawatu | 2:00.36q |
| 3 | Joseph Sinclair | Waikato Bay of Plenty | 2:01.18q |
| 4 | Lochie Montgomerie | Waikato Bay of Plenty | 2:01.63q |
| 5 | Jack Gay | Wanganui | 2:03.04 |
| 6 | Max Erkes | Taranaki | 2:04.96 |
| 7 | Ben Moore | North Harbour | 2:05.32 |
| 8 | Samuel Roberts | North Harbour | 2:05.47 |
| 9 | Stanton Renwicks | Wellington | 2:06.56 |
| 10 | James Robertson | Auckland | 2:10.62 |
| 11 | Peter Garoflakis | Counties Manukau | 2:13.24 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jude Darby | North Harbour | 2:01.53q |
| 2 | Taylor Smith | Waikato Bay of Plenty | 2:01.71q |
| 3 | Stuart Hofmeyr | North Harbour | 2:01.98q |
| 4 | Liam Back | Wanganui | 2:02.60q |
| 5 | Lakshay Bawa | Counties Manukau | 2:03.38 |
| 6 | Andrew Ledger | Wellington | 2:05.69 |
| 7 | Connor Munro | Wanganui | 2:07.15 |
| 8 | Jacob de Graaf | Auckland | 2:08.14 |
| 9 | Kaylan Giujju | Waikato Bay of Plenty | 2:08.25 |
| 10 | Cody Osborne | Manawatu | 2:08.34 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Benjamin Wall | Manawatu | 1:59.07 |
| 2 | Stuart Hofmeyr | North Harbour | 2:00.28 |
| 3 | Jude Darby | North Harbour | 2:00.57 |
| 4 | Joseph Sinclair | Waikato Bay of Plenty | 2:01.81 |
| 5 | Mitchell Snell | East Coast North Island | 2:02.39 |
| 6 | Liam Back | Wanganui | 2:03.20 |
| 7 | Taylor Smith | Waikato Bay of Plenty | 2:03.59 |
| 8 | Lochie Montgomerie | Waikato Bay of Plenty | 2:04.05 |