CZEJan Sefl

Czech Republicb. 1990 (36)

Personal Bests

Best times from available individual swims and official relay lead-offs. Career coverage may be incomplete. Select an event to show its progression.

100 Freestyle

2013 15th FINA World Championships · Barcelona · Meet 19 Jul–4 Aug 2013

—50.82relay lead-off

2024 Malmsten Stockholm · Stockholm, Sweden · Meet 5–8 Apr 2024

—23.57

2020 Olympic Games Tokyo · Meet 23 Jul–8 Aug 2021

—52.52

2015 16th FINA World Championships · Kazan · Meet 24 Jul–9 Aug 2015

—1:57.63

All Results 43 swims · 13 meets

Meet dates describe the competition. Race dates are shown per swim where available.

2024 Malmsten Stockholm · Stockholm, Sweden · Meet 5–8 Apr 2024

50 Butterfly LCM

—Final323.57

50 Butterfly LCM

—Heat 1423.91

100 Butterfly LCM

—Final553.03

100 Butterfly LCM

—Heat 1753.82

2023 World Aquatics Swimming World Cup - Budapest · Meet 20–22 Oct 2023

50 Butterfly SCM

—Heat1323.98

100 Butterfly SCM

—Heat1353.86

2022 16th FINA World Swimming Championships (25m) · Melbourne · Meet 13–18 Dec 2022

50 Butterfly SCM

—Heat2422.84

100 Butterfly SCM

—Heat1250.44

100 Butterfly SCM

—Semifinal1651.03

100 IM SCM

—Heat2654.11

2022 FINA Swimming World Cup · Berlin · Meet 21–23 Oct 2022

50 Butterfly SCM

—Heat623.20

100 Butterfly SCM

—Heat350.77

100 Butterfly SCM

—Final850.78

2021 15th FINA World Swimming Championships (25m) · Abu Dhabi · Meet 16–21 Dec 2021

50 Butterfly SCM

—Heat2623.29

100 Butterfly SCM

—Heat2150.99

100 IM SCM

—Heat—DNS

2021 FINA Swimming World Cup · Berlin · Meet 1–3 Oct 2021

50 Butterfly SCM

—Heat1123.45

100 Freestyle SCM

—Heat3949.75

100 Butterfly SCM

—Heat651.80

100 Butterfly SCM

—Final651.97

2020 Olympic Games Tokyo · Meet 23 Jul–8 Aug 2021

100 Butterfly LCM

—Heat652.52

2017 17th FINA World Championships · Budapest · Meet 14–30 Jul 2017

50 Butterfly LCM

—Heat924.09

100 Butterfly LCM

—Heat252.65

2016 13th FINA World Swimming Championships (25m) · Windsor · Meet 6–11 Dec 2016

100 Freestyle SCM

—Heat4148.69

100 Butterfly SCM

—Heat1751.62

100 IM SCM

—Heat2253.94

200 IM SCM

—Heat261:58.43

2015 16th FINA World Championships · Kazan · Meet 24 Jul–9 Aug 2015

50 Butterfly LCM

—Heat824.34

100 Butterfly LCM

—Heat653.21

200 Butterfly LCM

—Heat61:57.63

2014 12th FINA World Swimming Championships (25m) · Doha · Meet 3–7 Dec 2014

50 Butterfly SCM

—Heat1923.23

100 Butterfly SCM

—Heat2051.38

100 IM SCM

—Semifinal1453.38

100 IM SCM

—Heat1453.52

200 Butterfly SCM

—Heat171:54.45

2013 15th FINA World Championships · Barcelona · Meet 19 Jul–4 Aug 2013

200 Butterfly LCM

—Heat92:02.43

2008 2nd FINA World Junior Swimming Championships · Monterrey · Meet 8–13 Jul 2008

50 Butterfly LCM

—Semifinal1425.16

50 Butterfly LCM

—Heat1325.20

100 Butterfly LCM

—Semifinal954.56

100 Butterfly LCM

—Heat754.76

100 Butterfly LCM

—Swim-off (s)255.09

200 Butterfly LCM

—Final52:01.54

200 Butterfly LCM

—Heat72:02.44