Athletics at the 1948 Summer Olympics – Men's marathon
The men's marathon event at the 1948 Summer Olympic Games took place on August 7. Forty-one athletes from 21 nations competed. The maximum number of athletes per nation had been set at 3 since the 1930 Olympic Congress. The race was won by Delfo Cabrera of Argentina, the nation's second victory in three Games (though the victories were 16 years apart). Tom Richards's silver medal put Great Britain on the podium for the third time in a row, while Étienne Gailly earned Belgium's first marathon medal with his bronze.