Kipsang wins men's London Marathon
Runners compete in the 2014 London Marathon as it passes through Blackheath in southeast London on April 13, 2014 - by Carl Court
Stanley Biwatt, Kipsang's compatriot, finished in second place.
Tsegaye Kebede, last year's winner was third, and Ayele Abshero fourth.
Britain's Mo Farah, the reigning Olympic and world 5,000 and 10,000 metres champion, finished in eighth place having failed in his goal to break Steve Jones's British record of 2:07:13, which has stood since 1985.