| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jean-Mari Riekert | Birkenhead College | 46.37q |
| 2 | Alicia O'Connor | Hillcrest High School | 48.21q |
| 3 | Emily Jackson | Rangi Ruru Girls' School | 48.75 |
| 4 | Sarah Jamison | Waitaki Girls' High School | 49.02 |
| 5 | Madeline Thomas | Craighead Diocesan School | 50.08 |
| 6 | Gemma Farrington | Napier Girls High School | 50.48 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Maggie Jones | Whanganui High School | 44.70q |
| 2 | Paige Cromarty | Whanganui Girls' College | 45.40q |
| 3 | Sophie Hancock | Rototuna High School | 45.69q |
| 4 | Tori Clarke | St Pauls Collegiate (Hamilton) | 48.12 |
| 5 | Lilla Faivre | Cashmere High School | 48.70 |
| 6 | Madi Judkins | St Peter's School | 53.94 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Maddie Kelso-Heap | Diocesan School for Girls | 45.08q |
| 2 | Grace Wisnewski | St Peter's School | 45.60q |
| 3 | Holly Gray | Avonside Girls' High School | 46.18q |
| 4 | Pascale Bowie | Whanganui Collegiate | 49.54 |
| 5 | Madelin Herbert | Napier Girls High School | 51.97 |
| 6 | Nicole Kowalewski | New Plymouth Girls High School | 55.36 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Maggie Jones | Whanganui High School | 43.36 |
| 2 | Sophie Hancock | Rototuna High School | 44.09 |
| 3 | Maddie Kelso-Heap | Diocesan School for Girls | 44.15 |
| 4 | Holly Gray | Avonside Girls' High School | 44.84 |
| 5 | Jean-Mari Riekert | Birkenhead College | 45.07 |
| 6 | Paige Cromarty | Whanganui Girls' College | 45.25 |
| 7 | Alicia O'Connor | Hillcrest High School | 48.47 |
| -- | Grace Wisnewski | St Peter's School | DNS |