Fastest swim long course 100 metres freestyle (female)
- Who
- Marrit Steenburgen
- What
- 00:51.68 second(s)
- Where
- Italy (Rome)
- When
- 27 June 2026
The fastest swim long course 100 metres freestyle (female) is 51.68 seconds, achieved by Marrit Steenburgen (Netherlands) in Rome, Italy, on 27 June 2026.
Marrit Steenburgen set a new world record for the women’s 100 m freestyle at the Sette Colli Trophy in Rome. She knocked a tenth of a second off the previous best, which had stood for nine years.