| Long Course |
|
Women's 50m Butterfly |
|
|
Open |
| WR |
World Record |
24.43 |
Sarah Sjostrom |
5 Jul 2014 |
2014 Swedish Championships |
| CO |
Commonwealth Record |
25.20 |
Francesca Halsall |
27 Jul 2014 |
2014 Commonwealth Games |
| AUO |
Australian Open |
25.31 |
Holly Barratt |
16 Aug 2019 |
2019 FINA Swimming World Cup |
| AUAC |
Australian All Comers |
25.47 |
Cate Campbell |
1 Mar 2018 |
2018 Commonwealth Games Trials |
| ACW |
WA All Comers |
26.20 |
Ying Lu |
18 Jan 2013 |
2013 BHP Billiton Aquatic Super Series |
| WAT |
WA All Time |
25.31 |
Holly Barratt |
16 Aug 2019 |
2019 FINA Swimming World Cup |
| RE |
Residential |
26.38 |
Holly Barratt |
18 Jan 2019 |
2019 Hancock Prospecting State Open LC Championships |
| CAT |
WA Country All Time |
28.86 |
Adele Schultz |
21 Dec 2009 |
2010 SunSmart State Age Championships |
| CR |
Country Residential |
28.86 |
Adele Schultz |
21 Dec 2009 |
2010 SunSmart State Age Championships |
