- Who
- Kaylee McKeown
- What
- 2:03.14 minute(s):second(s)
- Where
- Australia (Sydney)
- When
The fastest swim long course 200 m backstroke (female) is 2 minutes 3.14 seconds, achieved by Kaylee McKeown (Australia) at the New South Wales State Open Championships in Sydney, Australia, on 10 March 2023.