| Aust Age: | 28.47 | Christopher Montana (NSW, Trinity Gra) | 14 Apr 2025 |
| Aust Age: | 28.79 | Haig Buckingham (NSW, Sopac) | 7 Feb 2021 |
| Aust Age: | 27.96 | Haig Buckingham (NSW, Sopac) | 22 Jan 2022 |
| Aust Age: | 30.58 | *Koa Stotz (QLD, Somerset GC) | 31 Jul 2024 |
| Aust Age: | 29.52 | Koa Stotz (QLD, Somerset GC) | 13 Apr 2025 |
| Aust Age AC: | 29.52 | Koa Stotz (QLD, Somerset GC) | 13 Apr 2025 |
| Aust Age AC: | 28.47 | Christopher Montana (NSW, Trinity Gra) | 14 Apr 2025 |
| Aust Age AC: | 28.79 | Haig Buckingham (NSW, Sopac) | 7 Feb 2021 |
| Aust Age AC: | 27.96 | Haig Buckingham (NSW, Sopac) | 22 Jan 2022 |
| WA AllComers: | 28.50 | Jarred Crous (RSA) | 1 Feb 2014 |
| WA AllComers: | 29.14 | Jade Winter (QLD, FAI St Bern) | 30 Mar 1995 |
| WA AllComers: | 30.31 | Alex Milligan (West Coast) | 22 Jan 2014 |
| WA AllComers: | 31.10 | Jack Woods (South Shore) | 16 Dec 2023 |
| WA AllComers: | 31.92 | Xinchen Zhang (Asia) | 15 Dec 2019 |
| WA All Time: | 32.11 | Matthew Smith (Cambridge) | 16 Jan 2003 |
| WA All Time: | 31.10 | Jack Woods (South Shore) | 16 Dec 2023 |
| WA All Time: | 30.31 | Alex Milligan (West Coast) | 22 Jan 2014 |
| WA All Time: | 29.74 | Tomy Sucipto (South Lake Dolph) | 12 Dec 2011 |
| WA All Time: | 28.61 | Joshua Yong (South Shore) | 24 Aug 2019 |
| WA Resident: | 29.80 | Finlay Larmour (Peel Aquatic) | 22 Nov 2020 |
| WA Resident: | 29.11 | Finlay Larmour (Peel Aquatic) | 10 Apr 2021 |
| WA Resident: | 32.11 | Matthew Smith (Cambridge) | 16 Jan 2003 |
| WA Resident: | 31.10 | Jack Woods (South Shore) | 16 Dec 2023 |
| WA Resident: | 30.31 | Alex Milligan (West Coast) | 22 Jan 2014 |