| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | George Wheelans | Christ's College | 2:11.85q |
| 2 | Jordan Haylock | Hillmorton High School | 2:12.13q |
| 3 | Ryan Bridgeman | Burnside High School | 2:15.13q |
| 4 | Benjamin Wooding | St Bede's College | 2:16.72q |
| 5 | Troy Styles | Riccarton High School | 2:20.33q |
| 6 | Andrew Wright-Taylor | St Andrew's College | 2:21.46q |
| 7 | Jesse McLay | Rangiora High School | 2:24.77q |
| -- | Matthew Rushton | Lincoln High School | DNS |
| -- | Ryan Thompson | Combined Country High Sch | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Angus Taylor | St Andrew's College | 2:07.79q |
| 2 | Ethan Ryan | Christchurch Boys High Sc | 2:11.06q |
| 3 | Matthew Gibbons | Burnside High School | 2:11.29q |
| 4 | Nigel Salmons | St Thomas of Canterbury C | 2:12.69 |
| 5 | Mitchell Ellis | St Bede's College | 2:13.45q |
| 6 | Jacob Lewis | Christ's College | 2:13.60q |
| 7 | Matt Bowie | Lincoln High School | 2:29.36q |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Angus Taylor | St Andrew's College | 1:59.75 |
| 2 | Ethan Ryan | Christchurch Boys High Sc | 2:01.39 |
| 3 | George Wheelans | Christ's College | 2:03.00 |
| 4 | Matthew Gibbons | Burnside High School | 2:03.57 |
| 5 | Jordan Haylock | Hillmorton High School | 2:08.74 |
| 6 | Mitchell Ellis | St Bede's College | 2:08.96 |
| 7 | Jacob Lewis | Christ's College | 2:11.24 |
| 8 | Ryan Bridgeman | Burnside High School | 2:11.79 |
| 9 | Andrew Wright-Taylor | St Andrew's College | 2:18.12 |
| 10 | Matt Bowie | Lincoln High School | 2:20.40 |
| 11 | Troy Styles | Riccarton High School | 2:26.10 |
| -- | Jesse McLay | Rangiora High School | DNS |
| -- | Benjamin Wooding | St Bede's College | DNS |