Kenji Kimihara (君原 健二, Kimihara Kenji, born March 20, 1941) is a retired Japaneselong-distance runner. He competed in the marathon at the 1964, 1968 and 1972 Olympics and finished in eighth, second and fifth place, respectively.[1] He won two gold medals in the marathon at the Asian Games in 1966 and 1970, and won the Boston Marathon in 1966.