William Sigei

William Sigei is a KEN long-distance runner, born on October 11, 1969. He competes primarily in the 3000m, 5000m and 10000m.

His personal bests include 7:37.73 in the 3000m, 13:06.15 in the 5000m, 26:52.23 in the 10000m, 43:31 in the 15Kilometr and 27:24 in the 10Kilometr. He has earned 3 gold medals in major international competitions. He is currently active on the international athletics circuit, representing KEN.