| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | William Sinclair | St John's College | 2:06.44q |
| 2 | Patrick White | Wellington College | 2:06.64q |
| 3 | Max Press | St Patricks College Silverstr | 2:06.68q |
| 4 | Jake Nicholls | Christchurch Boys High School | 2:07.78 |
| 5 | Jack Waterworth | St Patricks College Kilbirnie | 2:09.54 |
| 6 | Jeremy Holyer | Rangitoto College | 2:12.67 |
| 7 | Cody Burton | Rangiora High School | 2:13.01 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Benjamin Prince | St Peter's School Camb | 2:04.76q |
| 2 | Lachlan Milne | Christchurch Boys High School | 2:04.87q |
| 3 | Jonathan Ansley | Sacred Heart College Auck | 2:05.08q |
| 4 | Jack Hammond | Hutt Valley High School | 2:05.28q |
| 5 | Tom Mackisack | Lindisfarne College | 2:07.49 |
| 6 | Jack Flannigan | Rangiora High School | 2:09.94 |
| 7 | Ezekiel O'Leary | Stratford High School | 2:17.75 |
| -- | Samuel Montgomerie | Hamilton Boys High School | DQ |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Flynn Palmer | Macleans College | 2:02.49q |
| 2 | Max Spencer | Rathkeale College/Trinity Sen | 2:02.60q |
| 3 | Joshua Nairne | St Patricks College Kilbirnie | 2:02.66q |
| 4 | Michael Wood | St Kentigern College | 2:02.99q |
| 5 | Jacob Bryan | Motueka High School | 2:03.89q |
| 6 | Samuel Averill | Christ's College | 2:04.40q |
| 7 | Ryan Cobb | Howick College | 2:12.10 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tom Moulai | St Bede's College | 2:01.28q |
| 2 | Dylan Forde | Central Southland College | 2:01.37q |
| 3 | Liam Miller | Sacred Heart College Auck | 2:01.91q |
| 4 | Hayden Mulgrew | St John's College | 2:02.37q |
| 5 | Connor Davidson | Wellington College | 2:06.32 |
| 6 | Braden Phillips | Pukekohe High School | 2:12.94 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jonny Beaver | Te Awamutu College | 2:03.57q |
| 2 | Matthew Ogle | Otago Boys High School | 2:05.63q |
| 3 | Nathan Cochrane | Christchurch Boys High School | 2:06.70q |
| 4 | Jordan Stuart | Menzies College | 2:09.23 |
| 5 | Michael Glasgow | Te Aroha College | 2:12.50 |
| 6 | Wilhelm Kunze | Kings High School | 2:27.06 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Charles Waddy | Wanganui Collegiate | 2:01.45q |
| 2 | Wynton Richards | Auckland Grammar School | 2:02.31q |
| 3 | William Wallace | Nelson College | 2:02.91q |
| 4 | Bailey Gebbie | Timaru Boy's High School | 2:04.00q |
| 5 | Anthony Smith | Dilworth School | 2:11.09 |
| 6 | Liam O'Rorke | St John College | 2:16.80 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Benjamin Prince | St Peter's School Camb | 1:57.91q |
| 2 | Joshua Nairne | St Patricks College Kilbirnie | 1:58.13q |
| 3 | Matthew Ogle | Otago Boys High School | 1:59.28 |
| 4 | Charles Waddy | Wanganui Collegiate | 2:00.02 |
| 5 | Max Press | St Patricks College Silverstr | 2:00.41 |
| 6 | Michael Wood | St Kentigern College | 2:02.03 |
| 7 | Wynton Richards | Auckland Grammar School | 2:05.20 |
| 8 | Samuel Averill | Christ's College | 2:09.18 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Max Spencer | Rathkeale College/Trinity Sen | 1:56.95q |
| 2 | Flynn Palmer | Macleans College | 1:57.09q |
| 3 | William Wallace | Nelson College | 1:59.02q |
| 4 | Jonathan Ansley | Sacred Heart College Auck | 1:59.22 |
| 5 | Jonny Beaver | Te Awamutu College | 2:00.53 |
| 6 | Lachlan Milne | Christchurch Boys High School | 2:01.08 |
| 7 | Jacob Bryan | Motueka High School | 2:02.58 |
| 8 | Bailey Gebbie | Timaru Boy's High School | 2:03.06 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Tom Moulai | St Bede's College | 1:56.95q |
| 2 | Nathan Cochrane | Christchurch Boys High School | 1:59.11q |
| 3 | Dylan Forde | Central Southland College | 1:59.12q |
| 4 | Liam Miller | Sacred Heart College Auck | 2:01.96 |
| 5 | Patrick White | Wellington College | 2:03.37 |
| 6 | Hayden Mulgrew | St John's College | 2:05.81 |
| -- | Jack Hammond | Hutt Valley High School | DQ |
| -- | William Sinclair | St John's College | DQ |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Tom Moulai | St Bede's College | 1:54.43 |
| 2 | Joshua Nairne | St Patricks College Kilbirnie | 1:55.38 |
| 3 | Max Spencer | Rathkeale College/Trinity Sen | 1:56.08 |
| 4 | Flynn Palmer | Macleans College | 1:56.20 |
| 5 | William Wallace | Nelson College | 1:57.32 |
| 6 | Nathan Cochrane | Christchurch Boys High School | 1:57.92 |
| 7 | Dylan Forde | Central Southland College | 1:57.95 |
| 8 | Benjamin Prince | St Peter's School Camb | 1:58.26 |