Results for Czechoslovakia in 400 metres Freestyle, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1920 Summer Olympics	Alois Hrašek	4 h3 r1/3
1924 Summer Olympics	Václav Antoš	9
	Stanislav Bičák	15
1928 Summer Olympics	Václav Antoš	3 h3 r1/3
1948 Summer Olympics	Miroslav Bartůšek	=11
1964 Summer Olympics	Petr Lohnický	18
1980 Summer Olympics	Daniel Machek	5
	Petr Adamec	21
	Radek Havel	25