| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Conner Lidstone | Shirley Boys High School | 2:20.44q |
| 2 | Blue-Monte Hamel | St Andrew's College | 2:22.60q |
| 3 | Zak de Roo | St Andrew's College | 2:23.64q |
| 4 | Braeden Botica | Burnside High School | 2:23.76q |
| 5 | Jesse Campbell | Aranui High School | 2:25.70 |
| 6 | Alexander Gregory | Christ's College | 2:27.60q |
| 7 | Cameron Botica | St Bede's College | 2:31.37q |
| 8 | Alexander Caddick | St Bede's College | 2:31.69 |
| 9 | Andre Laredo | St Andrew's College | 2:31.94 |
| 10 | Mark James | Middleton Grange | 2:32.91 |
| 11 | Guy Heard | Christ's College | 2:33.10q |
| 12 | Isaac Tull | Riccarton High School | 2:44.09 |
| 13 | Micah McGoldrick | Rangiora New Life School | 2:44.48 |
| 14 | Ashleigh Adamson | Middleton Grange | 2:57.99 |
| -- | Charles Murray | Cashmere High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jack Brownie | Christchurch Boys High Sc | 2:20.05q |
| 2 | Trent Sherlock | Shirley Boys High School | 2:20.80q |
| 3 | Ben Musson | Papanui High School | 2:22.62q |
| 4 | Nathaniel Flynn | St Bede's College | 2:23.86q |
| 5 | Ollie Brown | St Andrew's College | 2:26.07q |
| 6 | Dillion Skipper | Lincoln High School | 2:27.34q |
| 7 | Josh Irvine | Christchurch Boys High Sc | 2:28.11q |
| 8 | Matthew Dryden | Cathedral College | 2:30.19q |
| 9 | Simon Northcote | Christ's College | 2:31.18q |
| 10 | Hamish Cadigan | Papanui High School | 2:42.22 |
| 11 | Logan Milne | St Thomas of Canterbury C | 2:43.55 |
| 12 | Josh Vaux-Phillips | Riccarton High School | 2:45.37 |
| 13 | Josh Dell | Christchurch Boys High Sc | 2:46.14 |
| 14 | Andrew Storer | St Thomas of Canterbury C | 2:46.36 |
| -- | Hayden Park | Cashmere High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Nathaniel Flynn | St Bede's College | 2:19.98 |
| 2 | Conner Lidstone | Shirley Boys High School | 2:20.21 |
| 3 | Zak de Roo | St Andrew's College | 2:20.86 |
| 4 | Jack Brownie | Christchurch Boys High Sc | 2:21.19 |
| 5 | Alexander Gregory | Christ's College | 2:22.39 |
| 6 | Ben Musson | Papanui High School | 2:23.91 |
| 7 | Braeden Botica | Burnside High School | 2:24.15 |
| 8 | Ollie Brown | St Andrew's College | 2:25.27 |
| 9 | Cameron Botica | St Bede's College | 2:25.51 |
| 10 | Dillion Skipper | Lincoln High School | 2:27.01 |
| 11 | Simon Northcote | Christ's College | 2:27.36 |
| 12 | Blue-Monte Hamel | St Andrew's College | 2:27.39 |
| 13 | Matthew Dryden | Cathedral College | 2:27.45 |
| 14 | Guy Heard | Christ's College | 2:37.04 |
| -- | Josh Irvine | Christchurch Boys High Sc | DNS |
| -- | Trent Sherlock | Shirley Boys High School | DQ |