| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Lily Cockram | St Margaret's College | 1:01.71q |
| 2 | Joelle Post | Motueka High School | 1:02.84q |
| 3 | Caroline Richards | Lincoln High School | 1:04.63q |
| 4 | Stella Roberts | Marlborough Girls College | 1:05.22q |
| 5 | Mikayla Scott | Christchurch Girls High School | 1:06.35 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hayley Bond | Waimea College | 1:03.39q |
| 2 | Sophie williamson | Christchurch Girls High School | 1:04.65q |
| 3 | Chloe Hughes | Rangi Ruru Girls' School | 1:05.28q |
| 4 | Isabella Henderson | Otago Girls High School | 1:05.88q |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Sophie williamson | Christchurch Girls High School | 59.23 |
| 2 | Chloe Hughes | Rangi Ruru Girls' School | 59.85 |
| 3 | Lily Cockram | St Margaret's College | 1:00.24 |
| 4 | Caroline Richards | Lincoln High School | 1:00.89 |
| 5 | Hayley Bond | Waimea College | 1:01.05 |
| 6 | Joelle Post | Motueka High School | 1:01.19 |
| 7 | Isabella Henderson | Otago Girls High School | 1:05.69 |
| 8 | Stella Roberts | Marlborough Girls College | 1:06.88 |