Koichi Nakano

(born November 14, 1955, in Kurume, Fukuoka) of Japan is a former professional track cyclist and ten-consecutive-time world champion in track cycling sprint.

He is among the best track sprinters of modern times. From 1977 to 1986, he won an unprecedented 10 consecutive gold medals in professional sprint events at the UCI Track World Championships.

He was one of the most successful competitors of all-time on the Japanese professional keirin circuit. Provided by Wikipedia