Yumi Kokamo (小鴨 由水, Kokamo Yumi) (born December 26, 1971, in Akashi, Hyogo) is a retired female long-distance runner from Japan. She won the 1992 edition of the Osaka Ladies Marathon. She clocked a winning time of 2:26:26 on January 26, 1992. Later that year Kokamo competed at the 1992 Summer Olympics, finishing in 29th place in the women's marathon race.
Source: “Yumi Kokamo”, English Wikipedia (CC BY-SA 4.0), excerpt