South Korean speed skater
Jaegal Sung-yeol (Korean: 제갈성렬; Hanja: 諸葛成烈; born 24 March 1970 in Uijeongbu, Gyeonggi Province) is a former speed skater from South Korea. At the 1992 Winter Olympics, he finished 12th in the 500 m long track speed skating.
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