| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Flynn Palmer | Macleans College | 2:03.40q |
| 2 | Alex Morreau | Auckland Grammar School | 2:03.45q |
| 3 | Charles Waddy | Wanganui Collegiate | 2:03.60q |
| 4 | Liam van der Boom | Rangitoto College | 2:04.09 |
| 5 | Wilson Mitchell | John McGlashan College | 2:11.51 |
| 6 | Hamish Sandilands | St John College | 2:15.45 |
| -- | Jacques Harsveld | Rangitoto College | DNS |
| -- | John Steven | Mt Aspiring College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Aron Mago | Howick College | 2:05.47q |
| 2 | Daniel Hintz | Tauranga Boys College | 2:05.72q |
| 3 | Angus Wemyss | Nelson College | 2:06.14q |
| 4 | Adam Fairclough | Palmerston North Boys High Sch | 2:06.43 |
| 5 | Andrew Smith | Kings High School | 2:06.98 |
| 6 | Zayne Jennings | Taradale High School | 2:08.16 |
| 7 | Beau Welch | Fielding High School | 2:10.81 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Preston | Scots College | 2:00.52q |
| 2 | Harry Ewing | St Peter's School Camb | 2:00.84q |
| 3 | Matthew Manning | St Kentigern College | 2:01.05q |
| 4 | Blair Pennell | Hamilton Boys High School | 2:01.44q |
| 5 | Jonny Beaver | Te Awamutu College | 2:01.59q |
| 6 | William Wallace | Nelson College | 2:02.98q |
| 7 | Brad Brunton | St John College | 2:08.89 |
| 8 | Tyler Hamilton | Central Southland College | 2:10.42 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tom Moulai | St Bede's College | 2:03.27q |
| 2 | Jonathan Ansley | Sacred Heart College Auck | 2:03.40q |
| 3 | Jake Nicholls | Christchurch Boys High School | 2:03.41q |
| 4 | Matthew Ogle | Otago Boys High School | 2:03.68q |
| 5 | Connor Davidson | Wellington College | 2:04.06 |
| 6 | Hunter McKenzie | Christ's College | 2:06.46 |
| 7 | Joshua Taylor | James Hargest High School | 2:06.76 |
| 8 | Tearetoa Tupuna | Cook Islands | 2:37.39 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Jonathan Ansley | Sacred Heart College Auck | 2:04.04q |
| 2 | Flynn Palmer | Macleans College | 2:04.15q |
| 3 | Tom Moulai | St Bede's College | 2:04.26q |
| 4 | Jonny Beaver | Te Awamutu College | 2:06.12 |
| 5 | Alex Morreau | Auckland Grammar School | 2:06.18 |
| 6 | William Wallace | Nelson College | 2:06.72 |
| 7 | Jake Nicholls | Christchurch Boys High School | 2:08.10 |
| 8 | Charles Waddy | Wanganui Collegiate | 2:08.46 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | James Preston | Scots College | 1:59.11q |
| 2 | Harry Ewing | St Peter's School Camb | 1:59.83q |
| 3 | Daniel Hintz | Tauranga Boys College | 2:00.05q |
| 4 | Blair Pennell | Hamilton Boys High School | 2:02.20q |
| 5 | Matthew Manning | St Kentigern College | 2:03.66q |
| 6 | Aron Mago | Howick College | 2:06.06 |
| 7 | Angus Wemyss | Nelson College | 2:06.95 |
| 8 | Matthew Ogle | Otago Boys High School | 2:08.23 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | James Preston | Scots College | 1:53.12 |
| 2 | Harry Ewing | St Peter's School Camb | 1:55.65 |
| 3 | Daniel Hintz | Tauranga Boys College | 1:55.70 |
| 4 | Matthew Manning | St Kentigern College | 1:56.09 |
| 5 | Flynn Palmer | Macleans College | 1:56.37 |
| 6 | Jonathan Ansley | Sacred Heart College Auck | 1:56.63 |
| 7 | Tom Moulai | St Bede's College | 1:57.63 |
| 8 | Blair Pennell | Hamilton Boys High School | 1:57.73 |