| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Nick Smith | Hutt Valley High School | 23.89q |
| 2 | Fletcher Kelleher | Sacred Heart College Auck | 24.43q |
| 3 | Oscar Szeto | Wellington College | 24.48q |
| 4 | Lavan Ashby | Napier Boys High School | 24.82 |
| 5 | Dimitar Pljackov | Rutherford College | 26.00 |
| 6 | Lucas Marshall | St Andrews College | 27.15 |
| 7 | Ryan Totman | Cambridge High School | 27.32 |
| -- | Oliver Aikman-Nordon | Scots College | DNF |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Marcel Connal | Auckland Grammar School | 23.08q |
| 2 | Euan Sapwell | Whangarei Boys High School | 23.45q |
| 3 | Bailey Cotton | Nayland College | 23.61q |
| 4 | Danny Hayes | Shirley Boys High School | 23.94q |
| 5 | Taooa Vaevaemaki | Cook Islands | 24.40q |
| 6 | Ethan Blight | St Kentigern College | 24.50q |
| 7 | David Brown | Napier Boys High School | 25.53 |
| 8 | Nathaniel Te Whaiti | St John College | 28.75 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | James Guthrie-Croft | St Peter's College Auckland | 22.98q |
| 2 | Logan Carroll Teao | Tamatea High School | 23.96q |
| 3 | Henry Holland | Auckland Grammar School | 24.03q |
| 4 | Rogan Tiatoa-Menhennett | Te Wharekura o Te Kaokaoroa o | 24.53q |
| 5 | William Raisbeck | Otumoetai College | 24.90 |
| 6 | Arapeta Ormsby | Tauranga Boys College | 26.10 |
| 7 | Ashley Summers | St John College | 26.23 |
| 8 | Yanin Chatavaraha | Wanganui Collegiate | 26.93 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sam King | Riccarton High School | 23.69q |
| 2 | Islam Khalled-Abbas | Wellington College | 23.77q |
| 3 | Siatua Anesi | Rongotai College | 23.77q |
| 4 | Ethan Holman | Tauranga Boys College | 23.86q |
| 5 | Alex Ryder | Christchurch Boys High School | 24.05q |
| 6 | Tim Horton | Otago Boys High School | 24.69 |
| 7 | William Dixon | Napier Boys High School | 25.98 |
| 8 | Jonathan Maples | Wanganui High School | 26.99 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Finn Neely | Hutt Valley High School | 23.11q |
| 2 | Connor Bithell | Motueka High School | 23.80q |
| 3 | Fergus Keown | Central Southland College | 23.86q |
| 4 | Liam Webb | Wellington College | 24.31q |
| 5 | Alec Johnson | John Paul College | 24.41q |
| 6 | Sam Hill | Lindisfarne College | 24.56q |
| 7 | Will Wrightson | Auckland Grammar School | 24.82 |
| 8 | Sam Kim | Shirley Boys High School | 25.17 |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Finn Neely | Hutt Valley High School | 23.75q |
| 2 | Logan Carroll Teao | Tamatea High School | 24.23q |
| 3 | Sam King | Riccarton High School | 24.28 |
| 4 | Ethan Holman | Tauranga Boys College | 24.63 |
| 5 | Fletcher Kelleher | Sacred Heart College Auck | 25.05 |
| 6 | Oscar Szeto | Wellington College | 25.20 |
| 7 | Ethan Blight | St Kentigern College | 25.32 |
| -- | Alec Johnson | John Paul College | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | James Guthrie-Croft | St Peter's College Auckland | 23.75q |
| 2 | Euan Sapwell | Whangarei Boys High School | 24.02q |
| 3 | Islam Khalled-Abbas | Wellington College | 24.44 |
| 4 | Siatua Anesi | Rongotai College | 24.48 |
| 5 | Fergus Keown | Central Southland College | 24.97 |
| 6 | Sam Hill | Lindisfarne College | 25.10 |
| 7 | Liam Webb | Wellington College | 25.22 |
| -- | Alex Ryder | Christchurch Boys High School | DNS |
| Placing | Athlete | Team | Semi Finals |
|---|---|---|---|
| 1 | Nick Smith | Hutt Valley High School | 23.22q |
| 2 | Marcel Connal | Auckland Grammar School | 23.55q |
| 3 | Bailey Cotton | Nayland College | 23.58q |
| 4 | Connor Bithell | Motueka High School | 24.16q |
| 5 | Danny Hayes | Shirley Boys High School | 24.55 |
| 6 | Taooa Vaevaemaki | Cook Islands | 24.72 |
| 7 | Henry Holland | Auckland Grammar School | 24.78 |
| 8 | Rogan Tiatoa-Menhennett | Te Wharekura o Te Kaokaoroa o | 25.63 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Nick Smith | Hutt Valley High School | 22.66 |
| 2 | Finn Neely | Hutt Valley High School | 23.40 |
| 3 | James Guthrie-Croft | St Peter's College Auckland | 23.57 |
| 4 | Bailey Cotton | Nayland College | 23.59 |
| 5 | Marcel Connal | Auckland Grammar School | 23.94 |
| 6 | Euan Sapwell | Whangarei Boys High School | 24.08 |
| 7 | Logan Carroll Teao | Tamatea High School | 24.12 |
| 8 | Connor Bithell | Motueka High School | 24.42 |