| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Toni Clinton | Westlake Girls High School | 47.04q |
| 2 | Alysha Nesbit | Orewa College | 48.00q |
| 3 | Tayla Davey | Long Bay College | 49.48q |
| 4 | Maddie Lowes | Kristin School | 51.56 |
| 5 | Emily Longley | Westlake Girls High School | 51.86 |
| 6 | Olivia Bedford | Wentworth College | 52.73 |
| -- | Kelly Burrowes | Kingsway School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Gabrielle Burt | Whangaparaoa College | 45.49q |
| 2 | Samantha Rogers | Orewa College | 45.58q |
| 3 | katie logan | Kristin School | 47.22q |
| 4 | Rebecca Taylor | Long Bay College | 49.86q |
| -- | Bronwyn Dustin | Glenfield College | DNS |
| -- | Sophie Groos | Wentworth College | DNS |
| -- | Jennie Kim | Glenfield College | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Toni Clinton | Westlake Girls High School | 45.78 |
| 2 | Gabrielle Burt | Whangaparaoa College | 46.34 |
| 3 | katie logan | Kristin School | 46.60 |
| 4 | Alysha Nesbit | Orewa College | 47.48 |
| 5 | Rebecca Taylor | Long Bay College | 49.23 |
| 6 | Tayla Davey | Long Bay College | 49.27 |
| 7 | Samantha Rogers | Orewa College | 51.05 |