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Czech Republic at the
2023 World Aquatics Championships
Czech Republic at the; 2023 World Aquatics Championships
	Flag of the Czech Republic
FINA code	CZE
National federation	Czech Aquatics
Website	czechswimming.cz (in Czech)
in Fukuoka, Japan
Competitors	10 in 3 sports
Medals	Gold 0 Silver 0 Bronze 0 Total 0
World Aquatics Championships appearances
	1994; 1998; 2001; 2003; 2005; 2007; 2009; 2011; 2013; 2015; 2017; 2019; 2022; 2023; 2024;
Other related appearances
	Czechoslovakia (1973–1991)

Artistic swimming

Czech Republic entered 2 artistic swimmers.^[1]

Athlete	Event	Preliminaries		Final
Athlete	Event	Points	Rank	Points	Rank
Karolína Klusková	Solo technical routine	165.1000	21	did not advance
Karolína Klusková	Solo free routine	115.0375	24	did not advance
Karolína Klusková Aneta Mrázková	Duet technical routine	183.8601	22	did not advance
Karolína Klusková Aneta Mrázková	Duet free routine	115.5354	32	did not advance

Czech Republic entered 4 open water swimmers.^[2]^[3]

Athlete	Event	Time	Rank
Martin Straka	Men's 5 km	56:49.5	20
Martin Straka	Men's 10 km	1:53:16.2	13
Ondřej Zach	Men's 5 km	56:52.2	22
Ondřej Zach	Men's 10 km	1:57:36.7	37

Athlete	Event	Time	Rank
Alena Benešová	Women's 5 km	1:02:29.4	37
Alena Benešová	Women's 10 km	2:07:24.3	32
Lenka Štěrbová	Women's 5 km	1:01:46.7	26
Lenka Štěrbová	Women's 10 km	2:09:36.5	37

Athlete	Event	Time	Rank
Alena Benešová Martin Straka Lenka Štěrbová Ondřej Zach	Team relay	1:17:41.7	16

Czech Republic entered 5 swimmers, but Kristýna Horská has withdrawn because of injury.^[4]

Athlete	Event	Heat		Semifinal		Final
Athlete	Event	Time	Rank	Time	Rank	Time	Rank
Tomáš Franta	50 metre backstroke	25.35	24	Did not advance
Tomáš Franta	100 metre backstroke	54.50	24	Did not advance
Daniel Gracík	50 metre butterfly	23.96	43	Did not advance
Daniel Gracík	100 metre butterfly	53.13	37	Did not advance

Athlete	Event	Heat		Semifinal		Final
Athlete	Event	Time	Rank	Time	Rank	Time	Rank
Kristýna Horská	100 metre breaststroke	Did not start
	200 metre breaststroke	Did not start
	200 metre individual medley	Did not start
Simona Kubová	50 metre backstroke	28.14	14 Q	28.16	15	Did not advance
Simona Kubová	100 metre backstroke	1:00.45	14 Q	1:00.43	14	Did not advance
Barbora Seemanová	50 metre freestyle	25.68	34	Did not advance
	100 metre freestyle	55.04	21	Did not advance
	200 metre freestyle	1:57.35	8 Q	1:56.50	9	Did not advance
	50 metre butterfly	27.02	32	Did not advance
	100 metre butterfly	59.36	22	Did not advance