Records
| Place | Name | Age | Team | Prelims | H. |
|---|---|---|---|---|---|
| 1 | Kingsley Yip | Ryde | 25.98Q | 2 | |
| 2 | Jack Ronzini | Parramatta | 26.89Q | 1 | |
| 3 | Andrew Kim | Cherrybrook | 26.55Q | 2 | |
| 4 | Cameron Liu | Ryde | 27.97Q | 1 | |
| 5 | Thomas Eaton | Northern Suburbs | 26.60Q | 2 | |
| 6 | Max Kim | Parramatta | 28.31Q | 1 | |
| 7 | Charithu De mel | Cherrybrook | 27.52q | 2 | |
| 8 | Jun Min Yap | Ryde | 27.64q | 2 | |
| 9 | Christopher Wilson | Parramatta | 28.26 | 2 | |
| 10 | Callum Gilchrist | Cherrybrook | 28.58 | 1 | |
| 11 | Liam Martin | Ryde | 28.59 | 1 | |
| -- | Xavier Mitchell | Ryde | DNS | 2 | |
| -- | Saatvik Saravana | Cherrybrook | DNS | 1 | |
| -- | Sean Kok | Northern Suburbs | DNS | 1 |