| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Holly Rule | Whangarei Girls High School | 56.33q |
| 2 | Camryn Smart | Motueka High School | 56.84q |
| 3 | Caroline Richards | Lincoln High School | 1:00.42 |
| 4 | Lucy Elliott | New Plymouth Girls High School | 1:00.95 |
| 5 | Emma Douglass | Wellington Girls' College | 1:01.72 |
| 6 | Renee Teers | Whanganui High School | 1:02.26 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Tayla Brunger | Whanganui Collegiate | 56.85q |
| 2 | Izzy Neal | Motueka High School | 57.36q |
| 3 | Isabel Allen | St Cuthbert's College | 58.26q |
| 4 | Eliza Meekings | Burnside High School | 1:02.50 |
| 5 | Ella Bradley | St Peter's School | 1:06.56 |
| 6 | Gwyneth Skidmore | Kapiti College | 1:07.26 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Annalies Kalma | St Peter's School | 56.41q |
| 2 | Maia Anderson-Broughton | St Andrew's College | 57.51q |
| 3 | Samantha Hardie | Waimea College | 59.78q |
| 4 | Post Joelle | Motueka High School | 1:01.36 |
| 5 | Sophie Miller | Otago Girls High School | 1:04.73 |
| 6 | Grace Walford | Whanganui High School | 1:10.17 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Camryn Smart | Motueka High School | 56.44 |
| 2 | Holly Rule | Whangarei Girls High School | 56.91 |
| 3 | Annalies Kalma | St Peter's School | 57.29 |
| 4 | Tayla Brunger | Whanganui Collegiate | 57.50 |
| 5 | Izzy Neal | Motueka High School | 57.99 |
| 6 | Maia Anderson-Broughton | St Andrew's College | 58.15 |
| 7 | Isabel Allen | St Cuthbert's College | 59.53 |
| 8 | Samantha Hardie | Waimea College | 1:00.65 |