| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jack Erikson | Auckland | 2:03.70q |
| 2 | Hamish Murray | Waikato Bay of Plenty | 2:03.76q |
| 3 | Joe Martin | Wellington | 2:03.81q |
| 4 | Justin Cunningham | Manawatu | 2:04.02q |
| 5 | Jake Lomas | Waikato Bay of Plenty | 2:06.23 |
| 6 | Bernard Stallard | Wellington | 2:09.50 |
| 7 | Alex Matuszek | Wairarapa | 2:22.36 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Charlie Richardson | Auckland | 2:02.07q |
| 2 | Felix Field | Taranaki | 2:02.12q |
| 3 | Logan Hopfler | Wellington | 2:02.65q |
| 4 | Sam McHale | East Coast North Island | 2:03.02q |
| 5 | Harry Witheridge | North Harbour | 2:05.45 |
| 6 | Thomas Fitzgerald | Whanganui | 2:05.52 |
| 7 | Nate Burke | Whanganui | 2:08.87 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Hamish Murray | Waikato Bay of Plenty | 1:59.81 |
| 2 | Charlie Richardson | Auckland | 2:00.04 |
| 3 | Joe Martin | Wellington | 2:00.37 |
| 4 | Jack Erikson | Auckland | 2:00.65 |
| 5 | Logan Hopfler | Wellington | 2:04.05 |
| 6 | Justin Cunningham | Manawatu | 2:04.33 |
| 7 | Felix Field | Taranaki | 2:04.75 |
| 8 | Sam McHale | East Coast North Island | 2:06.42 |