Here you will find a database of British Swimming Records since 2000, searchable by event, swimmer and year. They can also be viewed as record progressions. Explore using the filters below or click an item in the tables to get started
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All British Records for 100m butterfly
All British Records for this event across all sexes and courses. Click the course for record progression.
| Event | Sex | Time | Name | Date | Meet | Location | |
|---|---|---|---|---|---|---|---|
| 100m butterfly | LC | Male | 00:50.67 | James Guy | 28-07-2017 | World Championships | Budapest, Hungary |
| 100m butterfly | LC | Female | 00:57.25 | Ellen Gandy | 04-03-2012 | British Championships | London, United Kingdom |
| 100m butterfly | SC | Male | 00:49.21 | Adam Barrett | 07-12-2016 | World Championships | Windsor, Canada |
| 100m butterfly | SC | Female | 00:55.71 | Francesca Halsall | 18-12-2009 | Duel in the Pool | Manchester, UK |
* Denotes that a swim was also a World Record when set
Version 1.53. Database last updated: 31/12/24. All data is unofficial and some records may not have been ratified by British Swimming - for official records visit https://www.swimmingresults.org/
If you find an error in these records, please get in contact