Jan Šefl Explained

Jan Šefl (born 10 May 1990) is a Czech swimmer. He competed in the men's 50 metre butterfly event at the 2017 World Aquatics Championships.^{[1] [2]} He represented the Czech Republic in men's 100 metre butterfly event at the 2020 Summer Olympic Games in Tokyo.^{[3] [4]} He holds the men's Czech national record in the event.^[5]

Notes and References

1. Web site: Heats results . 29 July 2017 . FINA . https://web.archive.org/web/20170728133625/http://omegatiming.com/file/download/?id=000111010A0104EB01FFFFFFFFFFFF01 . 28 July 2017 . dead .
2. Web site: 2017 World Aquatics Championships > Search via Athletes . 29 July 2017 . Budapest 2017 . 22 October 2018 . https://web.archive.org/web/20181022064850/http://www.fina-budapest2017.com/en/home . dead .
3. Web site: Competition Results: Heats Summary . FINA . 4 October 2023.
4. News: Keith . Braden . JAN SEFL BREAKS CZECH NATIONAL RECORD; QUALIFIES FOR FIRST OLYMPICS AT AGE 30 . 4 October 2023 . Swim Swam News . May 4, 2021.
5. Web site: Rekordy . Český svaz plaveckých sportů . 4 October 2023.