| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Talia Horgan | Cambridge High School | 56.50q |
| 2 | Briar Lourie | Wanganui Collegiate | 1:01.47q |
| 3 | Natalie Hill | St Hilda's Collegiate | 1:03.67 |
| 4 | Sarah Jones | St Dominic's College | 1:04.20 |
| 5 | Mackenzie Riddick | Hawera High School | 1:09.35 |
| -- | Grace Stewart | Westlake Girls High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sarah McDonald | Wanganui High School | 1:00.53q |
| 2 | Rebecca Foster | St Pauls Collegiate (Hamilton) | 1:02.11q |
| 3 | Steffi Burrows | Takapuna Grammar School | 1:02.64q |
| 4 | Anna Cross | Otago Girls High School | 1:02.75 |
| 5 | Kate Poulsen | East Otago High School | 1:05.22 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Olivia Maisey | Avonside Girls' High School | 1:01.14q |
| 2 | Stephanie Dickins | Feilding High School | 1:01.70q |
| 3 | Megan Bethell | Te Awamutu College | 1:02.32q |
| 4 | Madisen Stanley | Nelson College For Girls | 1:02.81 |
| 5 | Caitlin O'Brien | St Hilda's Collegiate | 1:05.42 |
| 6 | Emily Kelly | Sacred Heart College (Wgtn) | 1:06.13 |
| 7 | Tessa Cullen | Craighead Diocesan School | 1:07.77 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Talia Horgan | Cambridge High School | 55.14 |
| 2 | Olivia Maisey | Avonside Girls' High School | 58.74 |
| 3 | Stephanie Dickins | Feilding High School | 58.84 |
| 4 | Sarah McDonald | Wanganui High School | 59.10 |
| 5 | Briar Lourie | Wanganui Collegiate | 1:00.76 |
| 6 | Megan Bethell | Te Awamutu College | 1:01.20 |
| 7 | Steffi Burrows | Takapuna Grammar School | 1:02.42 |
| 8 | Rebecca Foster | St Pauls Collegiate (Hamilton) | 1:02.87 |