| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jessica Vogel | Craighead Diocesan School | 1:01.49q |
| 2 | Riley Smart | Motueka High School | 1:02.11q |
| 3 | Jesika Sebelin | Otago Girls High School | 1:02.50q |
| 4 | Emma McCusker | Rangi Ruru Girls' School | 1:03.59q |
| 5 | Charlotte Lambie | Burnside High School | 1:04.31q |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jordan Evans-Tobata | Otago Girls High School | 1:03.70q |
| 2 | Lillie Raynor | Rangi Ruru Girls' School | 1:03.82q |
| 3 | Emily Jackson | Burnside High School | 1:03.82q |
| 4 | Scarlett Norman | Mt Aspiring College | 1:05.16 |
| 5 | Meadow Neill | Waitaki Girls' High School | 1:08.20 |
| 6 | Jade Jarvie-Wells | Nayland College | 1:10.37 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Jessica Vogel | Craighead Diocesan School | 1:00.56 |
| 2 | Riley Smart | Motueka High School | 1:01.20 |
| 3 | Jesika Sebelin | Otago Girls High School | 1:01.71 |
| 4 | Emily Jackson | Burnside High School | 1:02.10 |
| 5 | Emma McCusker | Rangi Ruru Girls' School | 1:02.69 |
| 6 | Lillie Raynor | Rangi Ruru Girls' School | 1:02.81 |
| 7 | Charlotte Lambie | Burnside High School | 1:08.79 |
| -- | Jordan Evans-Tobata | Otago Girls High School | DQ |