| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Lucy Rennie | Hamilton Girls High School | 48.26q |
| 2 | Paris Munro | Whanganui High School | 48.85q |
| 3 | Mackenzie Millen | Howick College | 51.13 |
| 4 | Amelia Williams | Villa Maria College | 51.49 |
| 5 | Gerri Gibson | Takapuna Grammar School | 53.86 |
| 6 | Grace Thomson | Burnside High School | 55.75 |
| 7 | Enright Bianca | Tauranga Girls' College | 57.18 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Casie Glentworth | Whanganui High School | 49.77q |
| 2 | Maddie Kelso-Heap | Diocesan School for Girls | 50.23q |
| 3 | Grace Wisnewski | St Peter's School | 50.24q |
| 4 | Le'Oxeayn Maiu'u | Avondale College | 51.68 |
| 5 | Zara Beagle | Villa Maria College | 52.13 |
| 6 | Madelin Herbert | Napier Girls High School | 52.16 |
| 7 | Pascale Bowie | Whanganui Collegiate | 56.17 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Maggie Jones | Whanganui High School | 48.49q |
| 2 | Olivia Herman | Villa Maria College | 49.40q |
| 3 | Scarlett Norman | Mt Aspiring College | 50.66q |
| 4 | Katherine Fanelli | St Cuthbert's College | 53.36 |
| 5 | Meg Blanchfield | Christchurch Girls High School | 54.52 |
| 6 | Ruby Sinclair | Whanganui Collegiate | 54.92 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Maggie Jones | Whanganui High School | 46.37 |
| 2 | Lucy Rennie | Hamilton Girls High School | 47.67 |
| 3 | Paris Munro | Whanganui High School | 48.24 |
| 4 | Casie Glentworth | Whanganui High School | 48.65 |
| 5 | Olivia Herman | Villa Maria College | 48.92 |
| 6 | Scarlett Norman | Mt Aspiring College | 49.57 |
| 7 | Grace Wisnewski | St Peter's School | 49.58 |
| 8 | Maddie Kelso-Heap | Diocesan School for Girls | 49.71 |