Fastest swim short course 100 metres butterfly (female)
- Who
- Gretchen Walsh
- What
- 52.71 second(s)
- Where
- Hungary (Budapest)
- When
- 14 December 2024
The fastest swim short course 100 metres butterfly (female) is 52.71 seconds, achieved by Gretchen Walsh (USA) in Budapest, Hungary, on 14 December 2024.
Walsh set an astonishing 11 world records in individual and relay events at the World Aquatics Swimming Championships (25m) 2024 in Budapest. This is the most ever by a swimmer at a single championship.