Kemboi crossed the line in 2:11:41 ahead of South Africans Lungile Gongqa 2:11:59 and Michael Mazibuko 2:12:29.
Kenya's Isabella Ochichi from Kenya was victorious in the women's race clocking 2:30:20 and beating Bahrain's Eunice Chumba 2:33:12 and Ethiopian Jemila Shure 2:37:45.