Results for Belgium in Decathlon, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1920 Summer Olympics	René Joannes-Powell	11
1924 Summer Olympics	Josse Ruth	17
	René Joannes-Powell	DNS
1928 Summer Olympics	Gaston Étienne	23
	René Joannes-Powell	25
	Gérard Noël	27
1936 Summer Olympics	Maurice Boulanger	17
	Émile Binet	DNF
1948 Summer Olympics	Albert Dayer	26
1956 Summer Olympics	Walter Herssens	DNF
1960 Summer Olympics	Leo Mariën	18
1968 Summer Olympics	Roger Lespagnard	17
	Freddy Herbrand	DNS
1972 Summer Olympics	Freddy Herbrand	6
	Régis Ghesquière	11
	Roger Lespagnard	14
1976 Summer Olympics	Roger Lespagnard	19
	Régis Ghesquière	DNF
2008 Summer Olympics	Frédéric Xhonneux	DNF
	Hans Van Alphen	DNF
2012 Summer Olympics	Hans Van Alphen	4
2016 Summer Olympics	Thomas Van der Plaetsen	8
2020 Summer Olympics	Thomas Van der Plaetsen	DNF