| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Caleb Bottomley | Rotorua Lakes High School | 1:58.24q |
| 2 | Ben Osborne | Wanganui Collegiate | 1:58.79q |
| 3 | Tegan Goodman | Motueka High School | 1:58.84q |
| 4 | Joseph Towera | Hawera High School | 2:01.78 |
| 5 | John Roy | Scots College | 2:02.08 |
| 6 | Michael Tatton | Wanganui Collegiate | 2:02.19 |
| 7 | Mark Moore | Ashburton College | 2:02.50 |
| 8 | Oliver Spence | Nelson College | 2:02.55 |
| 9 | Simon Treagus | Taradale High School | 2:11.25 |
| 10 | Sam Nevin | Timaru Boys' High School | 2:11.93 |
| 11 | Lawrence McKenzie | Shirley Boys High School | 2:16.60 |
| 12 | Luke Franklin | Kristin School | 2:25.09 |
| -- | Scott Nicol | Hastings Boys High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Michael Christmas | James Hargest High School | 1:57.60q |
| 2 | David Cooper | St Pauls Collegiate (Hamilton) | 1:57.85q |
| 3 | Jacob Coom | Christchurch Boys High School | 1:57.88q |
| 4 | Patrick Rosevear | Wellington College | 1:58.07q |
| 5 | Scott O'loughlin | St Peter's College (Auckland) | 1:58.83q |
| 6 | Nick Browne | Auckland Grammar School | 2:00.55q |
| 7 | Ruchira Seneviratne | Tauranga Boys' College | 2:01.57 |
| 8 | Jamie Kauika | Wanganui High School | 2:02.76 |
| 9 | Nicholas Kavanagh | Wanganui Collegiate | 2:05.96 |
| 10 | Hayden McCoy | Burnside High School | 2:10.43 |
| 11 | Mark Mulholland | St Bede's College | 2:16.43 |
| 12 | Graham Dos Santos | Rosmini College | 2:18.37 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Caleb Bottomley | Rotorua Lakes High School | 1:58.05 |
| 2 | Michael Christmas | James Hargest High School | 1:58.32 |
| 3 | Jacob Coom | Christchurch Boys High School | 1:58.65 |
| 4 | Ben Osborne | Wanganui Collegiate | 1:59.09 |
| 5 | Tegan Goodman | Motueka High School | 1:59.92 |
| 6 | David Cooper | St Pauls Collegiate (Hamilton) | 2:00.24 |
| 7 | Patrick Rosevear | Wellington College | 2:03.64 |
| 8 | Nick Browne | Auckland Grammar School | 2:04.90 |
| 9 | Scott O'loughlin | St Peter's College (Auckland) | 2:10.48 |