| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | David Smith | Te Awamutu College | 59.96q |
| 2 | Liam Smith | Lawrence Area School | 1:04.84q |
| 3 | Te Huia Apaapa | Waihi College | 1:07.29q |
| 4 | Cameron Murphy | Allenvale School | 1:10.84q |
| 5 | Zachary Edwards | Rangiora High School | 1:21.17 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Daniel Anstis | Wairarapa College | 59.99q |
| 2 | Hayden Wilson | Fairfield College | 1:00.79q |
| 3 | Michael Gunn Ellis | Allenvale School | 1:05.23q |
| 4 | Keelan Ward | Wairarapa College | 1:10.54q |
| -- | David Takarei | Sara Cohen School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | David Smith | Te Awamutu College | 58.65 |
| 2 | Hayden Wilson | Fairfield College | 59.55 |
| 3 | Daniel Anstis | Wairarapa College | 1:00.28 |
| 4 | Michael Gunn Ellis | Allenvale School | 1:02.71 |
| 5 | Liam Smith | Lawrence Area School | 1:05.79 |
| 6 | Cameron Murphy | Allenvale School | 1:10.18 |
| 7 | Keelan Ward | Wairarapa College | 1:13.91 |
| -- | Te Huia Apaapa | Waihi College | DNS |