| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Phoebe Laker | Mt Aspiring College | 1:00.02q |
| 2 | Hannah Cadzow | Palmerston North Girls High Sc | 1:02.74q |
| 3 | Georgia Rope | Taradale High School | 1:03.44q |
| 4 | Nancy Li | Queen Margaret College | 1:05.21 |
| 5 | Leah Galea | Avondale College | 1:06.47 |
| 6 | Ella Soltau | Havelock North High School | 1:11.61 |
| 7 | Chloe Chipperfield | Te Awamutu College | 1:13.18 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Mia De Jager | Rototuna High School | 1:00.08q |
| 2 | Mackenzie Guy | Rangitoto College | 1:01.67q |
| 3 | Zari Lindsay | St Cuthbert's College | 1:05.34q |
| 4 | Morgan Dudley | St Matthew's Collegiate | 1:06.46 |
| 5 | Lily Anderson | Whakatane High School | 1:07.22 |
| 6 | Milla Taggart | St Peter's School | 1:08.28 |
| 7 | Lili Ganivet | Havelock North High School | 1:10.13 |
| -- | Sahara Katene | Rotorua Girls' High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Isla Tilbury | Marlborough Girls College | 1:01.11q |
| 2 | Josephine Tappenden | Nayland College | 1:01.50q |
| 3 | Holly James | Wellington East Girls' College | 1:02.52q |
| 4 | Paige Scannell | Sacred Heart Girls' College (N | 1:04.93q |
| 5 | Tilly O'Sullivan | Rangi Ruru Girls' School | 1:07.20 |
| 6 | Grace Brydges | Waitaki Girls' High School | 1:10.56 |
| 7 | Tessa Seymour | St Cuthbert's College | 1:13.02 |
| 8 | Ruby Kaye | Napier Girls High School | 1:14.24 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Maia Poutawera | Tauranga Girls' College | 1:00.57q |
| 2 | Amelia Henstock | Villa Maria College | 1:00.88q |
| 3 | Leah Pratten | Cashmere High School | 1:01.14q |
| 4 | Ruby Simon | Christchurch Girls High School | 1:02.71q |
| 5 | Amy Nicoll | Havelock North High School | 1:04.15 |
| 6 | Emma Verry | Palmerston North Girls High Sc | 1:04.32q |
| 7 | Abby Twist | St Peter's School | 1:13.97 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Phoebe Laker | Mt Aspiring College | 59.57q |
| 2 | Isla Tilbury | Marlborough Girls College | 1:00.58q |
| 3 | Amelia Henstock | Villa Maria College | 1:00.77q |
| 4 | Leah Pratten | Cashmere High School | 1:01.39q |
| 5 | Hannah Cadzow | Palmerston North Girls High Sc | 1:01.92 |
| 6 | Ruby Simon | Christchurch Girls High School | 1:02.68 |
| 7 | Zari Lindsay | St Cuthbert's College | 1:04.78 |
| -- | Paige Scannell | Sacred Heart Girls' College (N | DNF |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Josephine Tappenden | Nayland College | 58.66q |
| 2 | Mia De Jager | Rototuna High School | 59.06q |
| 3 | Maia Poutawera | Tauranga Girls' College | 59.78q |
| 4 | Mackenzie Guy | Rangitoto College | 1:00.77q |
| 5 | Holly James | Wellington East Girls' College | 1:02.35 |
| 6 | Georgia Rope | Taradale High School | 1:04.78 |
| 7 | Emma Verry | Palmerston North Girls High Sc | 1:08.01 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Mia De Jager | Rototuna High School | 55.49 |
| 2 | Josephine Tappenden | Nayland College | 57.19 |
| 3 | Phoebe Laker | Mt Aspiring College | 57.58 |
| 4 | Maia Poutawera | Tauranga Girls' College | 57.65 |
| 5 | Mackenzie Guy | Rangitoto College | 58.93 |
| 6 | Amelia Henstock | Villa Maria College | 59.19 |
| 7 | Isla Tilbury | Marlborough Girls College | 59.20 |
| 8 | Leah Pratten | Cashmere High School | 1:00.14 |