Results for Portugal in Marathon, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1912 Summer Olympics	Francisco Lázaro	DNF
	Matias de Carvalho	DNS
1936 Summer Olympics	Manuel Dias	17
	Jaime Mendes	DNF
1964 Summer Olympics	Armando Aldegalega	44
1972 Summer Olympics	Armando Aldegalega	41
1976 Summer Olympics	Anacleto Pinto	22
	Carlos Lopes	DNS
1980 Summer Olympics	Anacleto Pinto	16
1984 Summer Olympics	Carlos Lopes	1	Gold
	Cidálio Caetano	DNF
	Delfim Moreira	DNF
1988 Summer Olympics	Joaquim Silva	27
	Paulo Catarino	DNF
1992 Summer Olympics	Dionísio Castro	DNF
	Joaquim Pinheiro	DNF
	António Pinto	DNF
1996 Summer Olympics	António Pinto	14
	Domingos Castro	25
	Manuel Matias	46
2000 Summer Olympics	António Pinto	11
	Domingos Castro	18
	Luís Novo	50
2004 Summer Olympics	Alberto Chaíça	8
2008 Summer Olympics	Paulo Gomes	30
	Hélder Ornelas	46
2012 Summer Olympics	Luís Feiteira	48
	Rui Pedro Silva	DNF
2016 Summer Olympics	Rui Pedro Silva	122
	Ricardo Ribas	133
2024 Summer Olympics	Samuel Barata	48