Jimmy Sierra (born 19 July 1949) is a Colombian sprinter. He competed in the men's 100 metres at the 1968 Summer Olympics. References 1949 births Living people Athletes (track and field) at the 1968 Summer Olympics Athletes (track and field) at the 1972 Summer Olympics Colombian male sprinters Olympic athletes of Colombia Competitors at the 1970 Central American and Caribbean Games Athletes (track and field) at the 1971 Pan American Games Central American and Caribbean Games silver medalists for Colombia Sportspeople from Cali Central American and Caribbean Games medalists in athletics Pan American Games competitors for Colombia 20th-century Colombian people