CZEJan Cejka

Czech Republicb. 2001 (25)

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.

2019 7th FINA World Junior Swimming Championships · Budapest · Meet 20–25 Aug 2019

—25.08

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

—54.69

2026 Mare Nostrum Canet (50m) · Canet-en-Roussillon, France · Meet 27–28 May 2026

—1:56.26

200 IM

2026 Mare Nostrum Canet (50m) · Canet-en-Roussillon, France · Meet 27–28 May 2026

—2:00.41

All Results 54 swims · 12 meets

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

2026 World Aquatics Swimming World Cup · Astana · Meet 15–17 Oct 2026

100 Backstroke SCM

—Final450.10

100 Backstroke SCM

—Heat650.96

100 IM SCM

—Heat853.49

100 IM SCM

—Final853.94

200 Backstroke SCM

—Final31:50.14

200 Backstroke SCM

—Heat41:53.00

2026 World Aquatics Swimming World Cup · Tashkent · Meet 8–10 Oct 2026

50 Backstroke SCM

—Heat323.63

100 Backstroke SCM

—Final349.84

100 Backstroke SCM

—Heat150.83

200 Backstroke SCM

—Final31:50.59

200 Backstroke SCM

—Heat31:52.92

200 IM SCM

—Heat51:57.48

2026 World Aquatics Swimming World Cup · Baku · Meet 1–3 Oct 2026

100 Backstroke SCM

—Final750.43

100 Backstroke SCM

—Heat251.28

100 Butterfly SCM

—Heat855.61

200 Backstroke SCM

—Final41:51.12

200 Backstroke SCM

—Heat41:54.23

200 IM SCM

—Final101:58.34

200 IM SCM

—Heat51:58.97

2026 Mare Nostrum Canet (50m) · Canet-en-Roussillon, France · Meet 27–28 May 2026

200 Backstroke LCM

—Final A11:56.26

200 IM LCM

—Final A22:00.41

2026 Mare Nostrum Monaco (50m) · Monaco, Monaco · Meet 23–24 May 2026

50 Backstroke LCM

—Final1125.64

50 Backstroke LCM

—Heat 11325.99

200 Backstroke LCM

—Final21:57.06

200 Backstroke LCM

—Heat 121:59.57

2025 Mare Nostrum Canet En Roussillon · Canet En Roussillon, France · Meet 24–25 May 2025

50 Backstroke LCM

—Final A826.62

100 Backstroke LCM

—Final A454.93

100 Backstroke LCM

—Heat 1455.59

200 Backstroke LCM

—Final A11:58.15

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

50 Backstroke SCM

—Heat1626.26

100 Freestyle SCM

—Heat4052.16

100 Backstroke SCM

—Heat1556.57

200 Backstroke SCM

—Heat142:03.44

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

50 Backstroke SCM

—Heat424.52

100 Backstroke SCM

—Heat853.02

200 Backstroke SCM

—Heat51:56.79

200 IM SCM

—Heat42:00.60

2022 19th FINA World Championships Budapest · Meet 18 Jun–3 Jul 2022

50 Backstroke LCM

—Heat925.89

100 Backstroke LCM

—Heat755.22

200 Backstroke LCM

—Heat41:58.65

200 Backstroke LCM

—Semifinal81:59.28

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

50 Backstroke SCM

—Semifinal1223.40

50 Backstroke SCM

—Heat823.49

100 Backstroke SCM

—Heat1851.50

200 Backstroke SCM

—Final51:49.93

200 Backstroke SCM

—Heat21:50.50

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

100 Backstroke LCM

—Heat354.69

200 Backstroke LCM

—Heat71:58.02

2019 7th FINA World Junior Swimming Championships · Budapest · Meet 20–25 Aug 2019

50 Backstroke LCM

—Final125.08

50 Backstroke LCM

—Semifinal325.22

50 Backstroke LCM

—Heat125.32

100 Backstroke LCM

—Semifinal955.01

100 Backstroke LCM

—Heat955.47

200 Backstroke LCM

—Heat182:02.16