Kipsang the man to beat: Former world record holder is hot favourite in London, but faces stiff challenge from Kimetto

Kenya's Wilson Kipsang (L), eventual winner, runs with the leading men's elite class runners in the London Marathon April 13, 2014. REUTERS/Luke MacGregor (BRITAIN - Tags: SPORT ATHLETICS)

London Marathon’s elite field coordinator David Bedford claims Wilson Kipsang is the man to beat in Sunday’s race, and predicts the greatest women’s marathon ever as Kenya’s ‘fantastic four’ take on Aselefech Mergia of Ethiopia.

The former London Marathon race director, a world-record holder himself over 10,000m in the 1970s, has put together arguably the strongest elite fields in marathon history for the 2015 races.