| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sarah Langsbury | St Hilda's Collegiate | 48.68q |
| 2 | Emma Leader | Palmerston North Girls High Sc | 48.95q |
| 3 | Maddie Kelso-Heap | Diocesan School for Girls | 50.12q |
| 4 | Georgie Bruce | Mt Aspiring College | 50.25 |
| 5 | Katherine Winter | Wellington Girls' College | 53.21 |
| 6 | Ruby Sinclair | Sacred Heart Girls' College (H | 55.35 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Samadiana Fariz | Macleans College | 46.73q |
| 2 | Grace Wisnewski | St Peter's School | 49.59q |
| 3 | Sophie Adams | Sunderland College | 50.36 |
| 4 | Ava Duggan | Rosehill College | 51.35 |
| 5 | Maggie Jones | Whanganui High School | 51.69 |
| -- | Brooke Batters | St Pauls Collegiate (Hamilton) | DQ |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Paris Munro | Whanganui High School | 48.72q |
| 2 | Taylah Holdem | Burnside High School | 49.18q |
| 3 | Amelia Caltaux | Mt Albert Grammar | 49.39 |
| 4 | Scarlett Norman | Mt Aspiring College | 50.51 |
| 5 | Gerri Gibson | Takapuna Grammar School | 54.10 |
| 6 | Bella Anderson | St Peter's School | 56.21 |
| 7 | Sabian Clarke | Trident High School | 56.90 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Samadiana Fariz | Macleans College | 46.20 |
| 2 | Sarah Langsbury | St Hilda's Collegiate | 47.58 |
| 3 | Taylah Holdem | Burnside High School | 48.18 |
| 4 | Emma Leader | Palmerston North Girls High Sc | 48.68 |
| 5 | Grace Wisnewski | St Peter's School | 49.41 |
| 6 | Maddie Kelso-Heap | Diocesan School for Girls | 49.79 |
| 7 | Paris Munro | Whanganui High School | 50.22 |