| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Joe Barclay | St Bede's College | 2:20.89q |
| 2 | James Welsh | St Thomas of Canterbury C | 2:23.19q |
| 3 | DJ Kilden | Christchurch Boys High Sc | 2:23.55q |
| 4 | Kayne Wilkinson | St Andrew's College | 2:24.44q |
| 5 | Alex Cheesebrough | Cashmere High School | 2:25.33q |
| 6 | Aaron Stevens | Shirley Boys High School | 2:25.85q |
| 7 | James Northcote | Christ's College | 2:26.95q |
| 8 | Benjamin Hammond | Shirley Boys High School | 2:41.09 |
| 9 | Joe Stanely | St Thomas of Canterbury C | 2:43.24 |
| 10 | Paul Tillman | Rangiora High School | 2:43.62 |
| -- | Tom Hutchison | Christchurch Boys High Sc | DNS |
| -- | Uale Peneli | Aranui High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Zac Barber | St Bede's College | 2:24.29q |
| 2 | Tayla Harrison | Christchurch Boys High Sc | 2:25.58q |
| 3 | Mitchell Egan | St Andrew's College | 2:25.89q |
| 4 | Xavier Tarren-Sweeney | Burnside High School | 2:26.78q |
| 5 | Sam Friend | Middleton Grange | 2:28.93q |
| 6 | Peter Burridge | Christ's College | 2:31.78q |
| 7 | Jaiden Ball | Cashmere High School | 2:34.60q |
| 8 | Connor Doyle | Rangiora High School | 2:34.69q |
| 9 | Jarno Plenter | Shirley Boys High School | 2:36.72q |
| 10 | Tom Bates | St Thomas of Canterbury C | 2:41.75 |
| 11 | Gregory Hicks | Kaiapoi High School | 3:00.85 |
| -- | Matthew Brorens | Papanui High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Joe Barclay | St Bede's College | 2:18.85 |
| 2 | DJ Kilden | Christchurch Boys High Sc | 2:19.61 |
| 3 | Kayne Wilkinson | St Andrew's College | 2:21.64 |
| 4 | James Northcote | Christ's College | 2:22.75 |
| 5 | James Welsh | St Thomas of Canterbury C | 2:25.41 |
| 6 | Zac Barber | St Bede's College | 2:26.40 |
| 7 | Tayla Harrison | Christchurch Boys High Sc | 2:26.76 |
| 8 | Alex Cheesebrough | Cashmere High School | 2:27.37 |
| 9 | Aaron Stevens | Shirley Boys High School | 2:27.92 |
| 10 | Sam Friend | Middleton Grange | 2:28.23 |
| 11 | Peter Burridge | Christ's College | 2:29.32 |
| 12 | Mitchell Egan | St Andrew's College | 2:30.15 |
| 13 | Xavier Tarren-Sweeney | Burnside High School | 2:31.90 |
| 14 | Jarno Plenter | Shirley Boys High School | 2:32.74 |
| 15 | Connor Doyle | Rangiora High School | 2:32.87 |
| 16 | Jaiden Ball | Cashmere High School | 2:43.33 |