Biwott also left others behind in the last 10km, finishing in 2hrs 5min 25sec, far ahead of Djibouti's Ibrahim Hassan, who was next to reach the finishing line.
Kenya's Sila Kiptoo, who was 8sec behind Hassan, finished third in the men's race while Angela Tanui, also from Kenya, placed third in the women's race, finishing 18sec after Dida.
Reuters