| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jude Darby | Westlake Boys High School | 2:00.94q |
| 1 | George Guerin | Timaru Boys' High School | 2:00.94q |
| 3 | Ben Kelsey | Auckland Grammar School | 2:01.26q |
| 4 | Daniel Trenberth | Burnside High School | 2:01.63q |
| 5 | Lochie Montgomerie | St Peter's School | 2:06.69 |
| 6 | George Bates | Kings High School | 2:10.13 |
| 7 | Sam Argyle-Wright | Tawa College | 2:10.74 |
| 8 | Hayden Stuart | Menzies College | 2:16.39 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Liam Back | Wanganui Collegiate | 2:01.62q |
| 2 | Bradley Jervis | St Bede's College | 2:01.87q |
| 3 | Max Spencer | Rathkeale College/Trinity Seni | 2:03.17q |
| 4 | Jack Paine | Scots College | 2:04.14q |
| 5 | Thomas Coleman | Te Aho O Te Kura Pounamu | 2:05.00q |
| 6 | Ben Lund | John McGlashan College | 2:06.38 |
| 7 | Gareth Harcombe | Wakatipu High School | 2:07.34 |
| 8 | Daniel Perkinson | St Patrick's College (Silverst | 2:19.08 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Nathan Cochrane | Christchurch Boys High School | 2:07.36q |
| 2 | Wynton Richards | Auckland Grammar School | 2:07.49q |
| 3 | Ruaidhri Brosnan | John McGlashan College | 2:07.86q |
| 4 | Joseph Sinclair | Wanganui Collegiate | 2:09.76q |
| 5 | Max Flannigan | Rangiora High School | 2:10.91 |
| 6 | Aleksander Cheifetz | Wakatipu High School | 2:12.50 |
| 7 | Jack Gay | Wanganui Collegiate | 2:13.98 |
| 8 | Bradley Hay | James Hargest High School | 2:19.15 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Lakshay Bawa | Macleans College | 2:07.49q |
| 2 | Jack Elliott | New Plymouth Boys High School | 2:07.76q |
| 3 | Patrick Dowd | Hamilton Boys High School | 2:08.02q |
| 4 | Logan Cowie | St Kentigern College | 2:08.18q |
| 5 | Hamish Ross | St John College | 2:08.73 |
| 6 | Euan Kortink | St Patrick's College (Silverst | 2:14.11 |
| 7 | William Ferguson | Christchurch Boys High School | 2:17.61 |
| 8 | Sui Kosena | St Patrick's College (Kilbirni | 2:27.65 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sam White | Pakuranga College | 2:05.19q |
| 2 | Max Karamanolis | St Patrick's College (Kilbirni | 2:05.58q |
| 3 | Isaac Chaytor | Auckland Grammar School | 2:05.63q |
| 4 | Matt Gould | Westlake Boys High School | 2:05.75q |
| 5 | Ben Nihoniho | Cashmere High School | 2:06.10 |
| 6 | Andrew Ledger | Hutt International Boys' Schoo | 2:08.02 |
| 7 | William Dickey | Menzies College | 2:18.21 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Patrick White | Wellington College | 2:04.67q |
| 2 | William Scharpf | Kings High School | 2:04.68q |
| 3 | Todd Douglas | Lindisfarne College | 2:04.72q |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Liam Back | Wanganui Collegiate | 1:54.68q |
| 2 | Max Karamanolis | St Patrick's College (Kilbirni | 1:55.17q |
| 3 | Joseph Sinclair | Wanganui Collegiate | 1:55.23q |
| 4 | Wynton Richards | Auckland Grammar School | 2:00.19 |
| 5 | Ruaidhri Brosnan | John McGlashan College | 2:00.36 |
| 6 | Isaac Chaytor | Auckland Grammar School | 2:02.05 |
| 7 | Sam White | Pakuranga College | 2:02.34 |
| 8 | Matt Gould | Westlake Boys High School | 2:02.70 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Max Spencer | Rathkeale College/Trinity Seni | 1:57.02q |
| 2 | Nathan Cochrane | Christchurch Boys High School | 1:57.16q |
| 3 | Patrick Dowd | Hamilton Boys High School | 1:57.58q |
| 4 | Bradley Jervis | St Bede's College | 1:58.38 |
| 5 | George Guerin | Timaru Boys' High School | 1:59.78 |
| 6 | Jack Paine | Scots College | 2:00.80 |
| 7 | Jack Elliott | New Plymouth Boys High School | 2:05.26 |
| 8 | Logan Cowie | St Kentigern College | 2:05.45 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Jude Darby | Westlake Boys High School | 1:57.58q |
| 2 | Ben Kelsey | Auckland Grammar School | 1:57.79q |
| 3 | Todd Douglas | Lindisfarne College | 1:58.84 |
| 4 | Daniel Trenberth | Burnside High School | 1:59.31 |
| 5 | William Scharpf | Kings High School | 2:00.17 |
| 6 | Patrick White | Wellington College | 2:00.58 |
| 7 | Thomas Coleman | Te Aho O Te Kura Pounamu | 2:02.83 |
| 8 | Lakshay Bawa | Macleans College | 2:03.56 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Max Spencer | Rathkeale College/Trinity Seni | 1:54.06 |
| 2 | Joseph Sinclair | Wanganui Collegiate | 1:54.33 |
| 3 | Patrick Dowd | Hamilton Boys High School | 1:54.64 |
| 4 | Ben Kelsey | Auckland Grammar School | 1:55.56 |
| 5 | Liam Back | Wanganui Collegiate | 1:55.84 |
| 6 | Jude Darby | Westlake Boys High School | 1:56.90 |
| 7 | Max Karamanolis | St Patrick's College (Kilbirni | 2:01.12 |
| 8 | Nathan Cochrane | Christchurch Boys High School | 2:05.17 |