| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Lorcan Rabbitte | Havelock North High School | 1:59.87q |
| 2 | Callum Murray | Aquinas College | 2:00.23q |
| 3 | Azrael Cabusao | Tauranga Boys' College | 2:00.56q |
| 4 | Thomas White | Wellington College | 2:02.24q |
| 5 | Jesse Park | Auckland Grammar School | 2:04.36q |
| 6 | Maksis Maulvurfs | Green Bay High School | 2:16.71 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Callum O'Keeffe | Lindisfarne College | 2:03.60q |
| 2 | Nicolas Alvarez Rey-Virag | Logan Park High School | 2:03.82q |
| 3 | Robert Fitzpatrick | Auckland Grammar School | 2:04.02q |
| 4 | William Bourne | Tauranga Boys' College | 2:04.74q |
| 5 | Josh Tonga | Christchurch Boys High School | 2:05.46q |
| 6 | Theo Hardy | Wellington College | 2:19.76 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Noah Lausen | Waimea College | 2:04.44q |
| 2 | Angus Sevier | Cashmere High School | 2:05.70q |
| 3 | James Hercus | Whanganui Collegiate | 2:05.87q |
| 4 | Luca Evett | Wellington College | 2:06.01q |
| 5 | Jackson Bigwood | New Plymouth Boys High School | 2:06.52q |
| 6 | Caleb Diprose | Aparima College | 2:07.61 |
| 7 | Wiremu Ngamotu | Avondale College | 2:28.29 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Will McMeeken | Christchurch Boys High School | 2:05.13q |
| 2 | Thomas Cowan | Westlake Boys High School | 2:06.17q |
| 3 | Fletcher Van Heuven | Matamata College | 2:06.48q |
| 4 | Flynn Register | Rathkeale College/Trinity Seni | 2:07.60q |
| 5 | Greg Austin | Palmerston North Boys High Sch | 2:08.08 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Trathen | Macleans College | 2:03.63q |
| 2 | James Ford | Kings College | 2:03.88q |
| 3 | Jackson McKay | Hastings Boys High School | 2:04.08q |
| 4 | Oscar Monro | Glendowie College | 2:04.20q |
| 5 | Corvin O'Rourke | James Hargest College | 2:04.74q |
| 6 | Blake Platts | Botany Downs Secondary College | 2:09.99 |
| 7 | Aphichat Kothinsen | Green Bay High School | 2:10.10 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Thomas Cowan | Westlake Boys High School | 1:56.03q |
| 2 | James Trathen | Macleans College | 1:56.10q |
| 3 | Angus Sevier | Cashmere High School | 1:57.86q |
| 4 | Fletcher Van Heuven | Matamata College | 1:59.30 |
| 5 | Thomas White | Wellington College | 2:00.11 |
| 6 | Noah Lausen | Waimea College | 2:00.15 |
| 7 | Jackson Bigwood | New Plymouth Boys High School | 2:04.10 |
| 8 | Jesse Park | Auckland Grammar School | 2:05.58 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | James Ford | Kings College | 1:56.34q |
| 2 | Callum O'Keeffe | Lindisfarne College | 1:56.47q |
| 3 | James Hercus | Whanganui Collegiate | 1:56.95q |
| 4 | Azrael Cabusao | Tauranga Boys' College | 1:59.90 |
| 5 | Corvin O'Rourke | James Hargest College | 2:01.56 |
| 6 | Will McMeeken | Christchurch Boys High School | 2:06.38 |
| 7 | Oscar Monro | Glendowie College | 2:08.15 |
| 8 | Flynn Register | Rathkeale College/Trinity Seni | 2:13.82 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Luca Evett | Wellington College | 2:00.40q |
| 2 | Callum Murray | Aquinas College | 2:00.66q |
| 3 | Robert Fitzpatrick | Auckland Grammar School | 2:01.50 |
| 4 | Jackson McKay | Hastings Boys High School | 2:02.15 |
| 5 | Nicolas Alvarez Rey-Virag | Logan Park High School | 2:02.95 |
| 6 | William Bourne | Tauranga Boys' College | 2:03.82 |
| 7 | Lorcan Rabbitte | Havelock North High School | 2:10.77 |
| 8 | Josh Tonga | Christchurch Boys High School | 2:11.28 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | James Ford | Kings College | 1:52.15 |
| 2 | Thomas Cowan | Westlake Boys High School | 1:53.01 |
| 3 | James Trathen | Macleans College | 1:53.25 |
| 4 | Callum O'Keeffe | Lindisfarne College | 1:53.55 |
| 5 | Angus Sevier | Cashmere High School | 1:54.09 |
| 6 | Luca Evett | Wellington College | 1:54.87 |
| 7 | James Hercus | Whanganui Collegiate | 1:57.02 |
| 8 | Callum Murray | Aquinas College | 1:59.37 |