| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Paige Bell | Rosehill College | 46.28q |
| 2 | Brianna Cadwallader | Mahurangi College | 46.70q |
| 3 | Lucy Elliott | New Plymouth Girls High School | 48.58 |
| 4 | Sophie Redmayne | Whanganui Collegiate | 49.15 |
| 5 | Victoria Green | Wellington Girls' College | 50.64 |
| 6 | Brooke Batters | St Pauls Collegiate (Hamilton) | 50.83 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Julia Burnham | Villa Maria College | 46.20q |
| 2 | Sarah Langsbury | St Hilda's Collegiate | 47.26q |
| 3 | Katie Corbett | Te Kuiti High School | 47.87q |
| 4 | Sophie Adams | Kings College | 49.14 |
| 5 | Katherine Winter | Wellington Girls' College | 51.89 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ruby Brett | Karamu High School | 47.79q |
| 2 | Tara McNally | Taieri College | 48.18q |
| 3 | Samadiana Fariz | Macleans College | 48.29q |
| 4 | Rebekah Phillips | Whanganui High School | 49.24 |
| 5 | Abbey Glover-Esplin | St Peter's School | 51.68 |
| 6 | Isabel Brabyn | Whanganui Collegiate | 53.00 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Paige Bell | Rosehill College | 45.61 |
| 2 | Brianna Cadwallader | Mahurangi College | 45.66 |
| 3 | Ruby Brett | Karamu High School | 45.69 |
| 4 | Julia Burnham | Villa Maria College | 46.53 |
| 5 | Samadiana Fariz | Macleans College | 47.41 |
| 6 | Katie Corbett | Te Kuiti High School | 47.53 |
| 7 | Sarah Langsbury | St Hilda's Collegiate | 47.55 |
| 8 | Tara McNally | Taieri College | 48.03 |