| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Deigna Khamal | Cambridge High School | 58.93q |
| 2 | Jessica Dillon-Springfield | Hawera High School | 1:01.08q |
| 3 | Chevy Walker | Motueka High School | 1:02.83q |
| 4 | Frances Bobbit | Rangitoto College | 1:07.61 |
| 5 | Emily Dunn | Napier Girls High School | 1:08.85 |
| 6 | Anna Boult | Woodford House | 1:09.66 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kate Boyd | Rangi Ruru Girls School | 1:02.49q |
| 2 | Kelsey Barrett | Motueka High School | 1:03.92q |
| 3 | Tamsin Burt | Stratford High School | 1:04.40q |
| 4 | Grace Godfrey | Wanganui Collegiate | 1:04.61q |
| 5 | Olivia Bryce | St Peter's School Camb | 1:05.94q |
| 6 | Susannah Harper | St Margaret's College | 1:08.11 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Isabelle Moody | Glendowie College | 1:01.66q |
| 2 | Stella Pearless | Pinehurst School Inc | 1:03.14q |
| 3 | Jade Tulp | Strathallan College | 1:03.78q |
| 4 | Sophie Glover | Rangiora High School | 1:04.55q |
| 5 | Rosa Watson | Epsom Girls Grammar School | 1:06.25 |
| 6 | Maddie Robinson | Upper Hutt College | 1:07.35 |
| 7 | Alice Vela-Reynolds | St Peter's School Camb | 1:12.53 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Anna Hayward | Craighead Diocesan School | 1:01.11q |
| 2 | Ruby Mountford-McAuley | Villa Maria College | 1:02.41q |
| 3 | Kushla Smith | Newlands College | 1:02.75q |
| 4 | Lily Trotter | Christchurch Girls High School | 1:04.12q |
| 5 | Dana Welten | Aquinas College | 1:10.86 |
| 6 | Taeao Delmere-Mann | Avondale College | 1:22.77 |
| -- | Vianne Coleman | Kristin School | DNF |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Deigna Khamal | Cambridge High School | 58.71q |
| 2 | Kate Boyd | Rangi Ruru Girls School | 1:01.24q |
| 3 | Kelsey Barrett | Motueka High School | 1:01.61q |
| 4 | Jessica Dillon-Springfield | Hawera High School | 1:02.02q |
| 5 | Kushla Smith | Newlands College | 1:02.70 |
| 6 | Lily Trotter | Christchurch Girls High School | 1:05.63 |
| 7 | Tamsin Burt | Stratford High School | 1:06.86 |
| 8 | Olivia Bryce | St Peter's School Camb | 1:09.73 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Anna Hayward | Craighead Diocesan School | 59.48q |
| 2 | Stella Pearless | Pinehurst School Inc | 1:00.19q |
| 3 | Isabelle Moody | Glendowie College | 1:00.23q |
| 4 | Jade Tulp | Strathallan College | 1:00.72q |
| 5 | Chevy Walker | Motueka High School | 1:02.28 |
| 6 | Ruby Mountford-McAuley | Villa Maria College | 1:03.50 |
| 7 | Sophie Glover | Rangiora High School | 1:04.41 |
| 8 | Grace Godfrey | Wanganui Collegiate | 1:04.96 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Anna Hayward | Craighead Diocesan School | 58.31 |
| 2 | Stella Pearless | Pinehurst School Inc | 59.24 |
| 3 | Isabelle Moody | Glendowie College | 59.39 |
| 4 | Jade Tulp | Strathallan College | 1:00.18 |
| 5 | Kate Boyd | Rangi Ruru Girls School | 1:01.36 |
| 6 | Kelsey Barrett | Motueka High School | 1:01.59 |
| 7 | Jessica Dillon-Springfield | Hawera High School | 1:03.21 |
| -- | Deigna Khamal | Cambridge High School | DQ |