| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Bailey Gore | Cambridge High School | 1:02.58q |
| 2 | Celine Pearn | Mt Albert Grammar | 1:02.62q |
| 3 | Amanda Fitisemanu | Motueka High School | 1:02.73q |
| 4 | Jade Tulp | Strathallan College | 1:04.27q |
| 5 | Ruby Mountford-McAuley | Villa Maria College | 1:05.31 |
| 6 | Lesieli Kaufanga | Avondale College | 1:21.24 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jemima Tennekoon | St Margaret's College | 1:02.37q |
| 2 | Chelsea Brown | Rangiora High School | 1:02.98q |
| 3 | Hannah Kelly | Dunstan High School | 1:04.99q |
| 4 | Holly Travers | Chanel College | 1:07.25 |
| 5 | Annabelle Mclachlan | Christchurch Girls High School | 1:10.82 |
| 6 | Molly Wilkins | Wairarapa College | 1:10.88 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kelsey Lewis | Kristin School | 1:03.18q |
| 2 | Irene Post | Motueka High School | 1:04.09q |
| 3 | Marizka Oberholzer | St Peter's School | 1:04.20q |
| 4 | Kate Meynell | Riccarton High School | 1:04.55q |
| 5 | Aria Park | St Hilda's Collegiate | 1:06.16 |
| 6 | Tyla Johnson | Hillcrest High School | 1:06.57 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Shannon Gearey | Napier Girls High School | 58.35q |
| 2 | Megan Kikuchi | Birkenhead College | 58.90q |
| 3 | Mikhayla-Rose Stroganov | Ashburton College | 1:00.31q |
| 4 | Kenya Kavanagh-Vincent | Macleans College | 1:01.45q |
| 5 | Diana Solis-Trueba | Awatapu College | 1:03.97q |
| -- | Elizabeth Hampton | Craighead Diocesan School | DNS |
| -- | Brigid O'Neill | Otago Girls High School | DNF |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Megan Kikuchi | Birkenhead College | 59.01q |
| 2 | Mikhayla-Rose Stroganov | Ashburton College | 1:00.91q |
| 3 | Kelsey Lewis | Kristin School | 1:01.19q |
| 4 | Celine Pearn | Mt Albert Grammar | 1:01.20q |
| 5 | Kenya Kavanagh-Vincent | Macleans College | 1:01.80 |
| 6 | Kate Meynell | Riccarton High School | 1:02.72 |
| 7 | Irene Post | Motueka High School | 1:03.69 |
| 8 | Hannah Kelly | Dunstan High School | 1:05.53 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Shannon Gearey | Napier Girls High School | 58.18q |
| 2 | Jemima Tennekoon | St Margaret's College | 1:00.28q |
| 3 | Amanda Fitisemanu | Motueka High School | 1:01.21q |
| 4 | Bailey Gore | Cambridge High School | 1:01.25q |
| 5 | Chelsea Brown | Rangiora High School | 1:01.86 |
| 6 | Diana Solis-Trueba | Awatapu College | 1:02.71 |
| 7 | Jade Tulp | Strathallan College | 1:02.80 |
| 8 | Marizka Oberholzer | St Peter's School | 1:03.41 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Shannon Gearey | Napier Girls High School | 56.37 |
| 2 | Megan Kikuchi | Birkenhead College | 57.71 |
| 3 | Mikhayla-Rose Stroganov | Ashburton College | 58.69 |
| 4 | Celine Pearn | Mt Albert Grammar | 1:00.01 |
| 5 | Jemima Tennekoon | St Margaret's College | 1:00.69 |
| 6 | Amanda Fitisemanu | Motueka High School | 1:00.94 |
| 7 | Bailey Gore | Cambridge High School | 1:01.12 |
| 8 | Kelsey Lewis | Kristin School | 1:01.28 |