| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hamish Murray | Aquinas College | 2:02.28q |
| 2 | Robert Fitzpatrick | Auckland Grammar School | 2:04.04q |
| 3 | Charlie Richardson | Sacred Heart College (Auckland | 2:04.22q |
| 4 | Jaguun Gunregjav-Willers | St Patrick's College (Kilbirni | 2:05.09q |
| 5 | Matthew Bolter | Otago Boys High School | 2:05.53q |
| 6 | Wilson Li | St Patrick's College (Kilbirni | 2:09.45 |
| 7 | Theo Hardy | Wellington College | 2:09.87 |
| 8 | Samuel Leitch | St Bede's College | 2:13.98 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Felix Field | New Plymouth Boys High School | 2:03.47q |
| 2 | Luca Evett | Te Aho O Te Kura Pounamu | 2:04.13q |
| 3 | Thomas Cowan | Westlake Boys High School | 2:04.60q |
| 4 | Jude Deaker | Wakatipu High School | 2:04.83q |
| 5 | Noah Lausen | Waimea College | 2:05.21q |
| 6 | Solomon Randerson | Auckland Grammar School | 2:05.84q |
| 7 | Milo Lindsay | Auckland Grammar School | 2:05.95q |
| 8 | Josh Loose | Christchurch Boys High School | 2:05.96 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Ford | Kings College | 2:05.35q |
| 2 | Timothy Wallace | St Kentigern College | 2:06.12q |
| 3 | James Hercus | Whanganui Collegiate | 2:06.34q |
| 4 | Fletcher Van Heuven | Matamata College | 2:06.73q |
| 5 | William Berkers | James Hargest College | 2:07.62 |
| 6 | Oscar Monro | Glendowie College | 2:11.32 |
| 7 | Thomas Fitzgerald | Whanganui Collegiate | 2:12.38 |
| 8 | Jae Jin Jung | Tauranga Boys' College | 2:13.41 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Luca Evett | Te Aho O Te Kura Pounamu | 1:57.33q |
| 2 | Thomas Cowan | Westlake Boys High School | 1:57.40q |
| 3 | Hamish Murray | Aquinas College | 1:57.60q |
| 4 | Fletcher Van Heuven | Matamata College | 1:58.37q |
| 5 | James Hercus | Whanganui Collegiate | 1:59.47q |
| 6 | Robert Fitzpatrick | Auckland Grammar School | 2:02.23 |
| 7 | Noah Lausen | Waimea College | 2:02.84 |
| 8 | Milo Lindsay | Auckland Grammar School | 2:06.43 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | James Ford | Kings College | 2:03.07q |
| 2 | Timothy Wallace | St Kentigern College | 2:03.19q |
| 3 | Charlie Richardson | Sacred Heart College (Auckland | 2:03.25q |
| 4 | Jaguun Gunregjav-Willers | St Patrick's College (Kilbirni | 2:03.40 |
| 5 | Matthew Bolter | Otago Boys High School | 2:04.21 |
| 6 | Jude Deaker | Wakatipu High School | 2:07.91 |
| 7 | Solomon Randerson | Auckland Grammar School | 2:09.68 |
| 8 | Felix Field | New Plymouth Boys High School | 2:13.43 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | James Ford | Kings College | 2:02.04 |
| 2 | Thomas Cowan | Westlake Boys High School | 2:02.97 |
| 3 | Luca Evett | Te Aho O Te Kura Pounamu | 2:03.30 |
| 4 | Hamish Murray | Aquinas College | 2:04.20 |
| 5 | James Hercus | Whanganui Collegiate | 2:04.29 |
| 6 | Timothy Wallace | St Kentigern College | 2:05.81 |
| 7 | Charlie Richardson | Sacred Heart College (Auckland | 2:07.10 |
| 8 | Fletcher Van Heuven | Matamata College | 2:07.29 |