Vivian Cheruiyot wins women's London Marathon after Mary Keitany fades

• Kenya runner seals surprise victory in time of 2hr18min31sec• Mary Keitany and Tirunesh Dibaba fail in world record attempt Kenya's Vivian Cheruiyot sprang a major surprise in the women's London Marathon, surging from way back at halfway to win in a massive personal best of 2hr18 min31sec. The race had been billed as a battle between the Kenyan Mary Keitany and the Ethiopian Tirunesh Dibaba, who had spent the build-up talking up their ambitions of beating Paula Radcliffe's world record of ...