| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kayne Wilkinson | St Andrew's College | 2:13.27q |
| 2 | James Welsh | St Thomas of Canterbury C | 2:14.27q |
| 3 | Mathew James | St Bede's College | 2:15.28q |
| 4 | Jarryn Wells | Christchurch Boys High Sc | 2:16.89q |
| 5 | Connor Tyndall | Cashmere High School | 2:18.91q |
| 6 | James Jackson | Burnside High School | 2:19.58q |
| 7 | Matthew Brorens | Papanui High School | 2:19.85q |
| 8 | Will Angland | Christ's College | 2:21.51q |
| 9 | Omid Rajabi | Cashmere High School | 2:22.82q |
| 10 | Tom Bates | St Thomas of Canterbury C | 2:44.41 |
| -- | Simi Patelo | Aranui High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Julian Lagan | St Bede's College | 2:15.96q |
| 2 | DJ Kilden | Christchurch Boys High Sc | 2:16.31q |
| 3 | Xavier Tarren-Sweeney | Burnside High School | 2:16.81q |
| 4 | Joe Barclay | St Bede's College | 2:17.15q |
| 5 | James Northcote | Christ's College | 2:23.79q |
| 6 | Peter Burridge | Christ's College | 2:29.38q |
| 7 | Joe Stanley | St Thomas of Canterbury C | 2:38.96q |
| 8 | Dima Lamers | Riccarton High School | 3:07.04 |
| -- | Reuben Buzzarl | Shirley Boys High School | DNS |
| -- | Trent Flunagan | Shirley Boys High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Jarryn Wells | Christchurch Boys High Sc | 2:10.12 |
| 2 | Mathew James | St Bede's College | 2:13.26 |
| 3 | Joe Barclay | St Bede's College | 2:13.84 |
| 4 | Kayne Wilkinson | St Andrew's College | 2:14.51 |
| 5 | DJ Kilden | Christchurch Boys High Sc | 2:17.35 |
| 6 | James Welsh | St Thomas of Canterbury C | 2:18.07 |
| 7 | Matthew Brorens | Papanui High School | 2:20.24 |
| 8 | James Jackson | Burnside High School | 2:20.93 |
| 9 | Julian Lagan | St Bede's College | 2:24.11 |
| 10 | James Northcote | Christ's College | 2:24.52 |
| 11 | Peter Burridge | Christ's College | 2:29.37 |
| 12 | Joe Stanley | St Thomas of Canterbury C | 2:30.60 |
| -- | Will Angland | Christ's College | DNS |
| -- | Omid Rajabi | Cashmere High School | DNS |
| -- | Xavier Tarren-Sweeney | Burnside High School | DNS |
| -- | Connor Tyndall | Cashmere High School | DNS |