Athletics at the 1920 Summer Olympics – Men's marathon
The men's marathon event was part of the track and field athletics programme at the 1920 Summer Olympics. The distance of this race was 42.75 kilometres. The competition was held on Sunday, 22 August 1920. 48 runners from 17 nations competed. No nation had more than 4 runners, suggesting the limit had been reduced from the 12 maximum in force in 1908 and 1912. The event was won by Hannes Kolehmainen of Finland, the nation's first Olympic marathon medal and victory; Kolehmainen received his fourth gold medal, having won the 5000 metres, 10,000 metres, and individual cross country in 1912. Estonia (Jüri Lossmann's silver) and Italy (Valerio Arri's bronze) also won their first marathon medals.