Answer
Alain Mimoun competed with Emil Zátopek in the 10,000 metres final in 1948 and 5,000 metres and 10,000 metres finals in 1952. Zátopek was a Czechoslovakian long-distance runner who won the 5,000 metres and 10,000 metres at the 1948 and 1952 Summer Olympics, respectively. Mimoun was a French long-distance runner who won the 10,000 metres at the 1956 Summer Olympics.