| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | George Guerin | Timaru Boys' High School | 1:58.77q |
| 2 | Mitchell Snell | Lindisfarne College | 2:00.41q |
| 3 | Matt Gould | Westlake Boys High School | 2:00.51q |
| 4 | Ruaidhri Brosnan | John McGlashan College | 2:00.80q |
| 5 | Ben Nihoniho | Cashmere High School | 2:01.35q |
| 6 | Noah Fenwick | Hagley Community College | 2:01.89q |
| 7 | Daniel Cooper | Paraparaumu College | 2:11.83 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Harding | Kings College | 2:04.64q |
| 2 | Oscar Millington | Auckland Grammar School | 2:04.83q |
| 3 | Sam White | Pakuranga College | 2:04.85q |
| 4 | Jack Paine | Scots College | 2:04.94q |
| 5 | Luke Weston | Francis Douglas Memorial Colle | 2:04.96q |
| 6 | Robert Norman | Palmerston North Boys High Sch | 2:08.55 |
| 7 | Matthew Clarke | Lincoln High School | 2:11.46 |
| 8 | Daniel Perkinson | St Patrick's College (Silverst | 2:13.93 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Liam Back | Whanganui Collegiate | 2:02.30q |
| 2 | Louie Howell | Cashmere High School | 2:02.79q |
| 3 | Josh Hou | John McGlashan College | 2:03.27q |
| 4 | Jacob Brooks | Motueka High School | 2:05.26q |
| 5 | Dirki Botha | Palmerston North Boys High Sch | 2:06.18 |
| 6 | Jared Thomson | Kerikeri High School | 2:07.19 |
| 7 | Jeremy Burke | Macleans College | 2:09.56 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ben Lund | John McGlashan College | 2:04.04q |
| 2 | Gareth Harcombe | Wakatipu High School | 2:04.36q |
| 3 | Isaac Chaytor | Auckland Grammar School | 2:04.75q |
| 4 | Joseph Sinclair | Whanganui Collegiate | 2:05.36q |
| 5 | Lakshay Bawa | Macleans College | 2:06.11 |
| 6 | Blair Gowan | Whanganui High School | 2:07.55 |
| -- | Bradley Jervis | St Bede's College | DNF |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ben Kelsey | Auckland Grammar School | 2:00.18q |
| 2 | Logan Cowie | St Kentigern College | 2:00.31q |
| 3 | Oliver Marshall | Napier Boys High School | 2:00.45q |
| 4 | Reuben Beard | Scots College | 2:00.47q |
| 5 | Luke Hitchcock | Macleans College | 2:01.35q |
| 6 | Samuel Doherty | St Bede's College | 2:06.59 |
| 7 | Daniel Taylor | Whanganui Collegiate | 2:07.24 |
| 8 | Hayden Stuart | Menzies College | 2:08.43 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Liam Back | Whanganui Collegiate | 2:02.70q |
| 2 | Sam White | Pakuranga College | 2:02.98q |
| 3 | Gareth Harcombe | Wakatipu High School | 2:03.92 |
| 4 | Luke Hitchcock | Macleans College | 2:04.21 |
| 5 | Oscar Millington | Auckland Grammar School | 2:05.42 |
| 6 | Reuben Beard | Scots College | 2:06.15 |
| 7 | Ben Lund | John McGlashan College | 2:08.00 |
| 8 | Ben Nihoniho | Cashmere High School | 2:10.54 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Mitchell Snell | Lindisfarne College | 2:01.44q |
| 2 | George Guerin | Timaru Boys' High School | 2:01.85q |
| 3 | Logan Cowie | St Kentigern College | 2:02.66 |
| 4 | Matt Gould | Westlake Boys High School | 2:02.81 |
| 5 | Jack Paine | Scots College | 2:03.48 |
| 6 | Luke Weston | Francis Douglas Memorial Colle | 2:05.16 |
| 7 | Jacob Brooks | Motueka High School | 2:06.86 |
| 8 | Josh Hou | John McGlashan College | 2:07.24 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Ben Kelsey | Auckland Grammar School | 1:59.79q |
| 2 | James Harding | Kings College | 2:00.65q |
| 3 | Louie Howell | Cashmere High School | 2:01.09q |
| 4 | Joseph Sinclair | Whanganui Collegiate | 2:02.33q |
| 5 | Ruaidhri Brosnan | John McGlashan College | 2:03.98 |
| 6 | Oliver Marshall | Napier Boys High School | 2:06.42 |
| 7 | Noah Fenwick | Hagley Community College | 2:07.22 |
| 8 | Isaac Chaytor | Auckland Grammar School | 2:07.70 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | James Harding | Kings College | 1:54.45 |
| 2 | Liam Back | Whanganui Collegiate | 1:54.73 |
| 3 | Mitchell Snell | Lindisfarne College | 1:54.76 |
| 4 | Ben Kelsey | Auckland Grammar School | 1:56.65 |
| 5 | George Guerin | Timaru Boys' High School | 1:58.40 |
| 6 | Sam White | Pakuranga College | 2:01.68 |
| 7 | Joseph Sinclair | Whanganui Collegiate | 2:04.45 |
| 8 | Louie Howell | Cashmere High School | 2:10.22 |