Mimoun rose to prominence internationally at the 1948 Summer Olympics where he was runner-up in the 10,000 m final behind Czechoslovakian runner Emil Zátopek.
Mimoun rose to prominence internationally at the 1948 Summer Olympics. He he was the runner-up in the 10,000 m final held at the Wembley Stadium on 31 July, behind Czechoslovakian runner Emil Zátopek.