CHASING DREAM: Cheruiyot hits track in hunt for elusive Olympic gold

Vivian Jepkemoi Cheruiyot of Kenya competes in the women's 10,000 metres final, which she won, during the 15th IAAF World Championships at the National Stadium in Beijing, China August 24, 2015. REUTERS/Dylan Martinez

Vivian Cheruiyot has won almost all global titles, but an Olympic gold is what is still missing in her trophy cabinet.

She competed at the 2008 Olympic Games in Beijing, where she finished fifth in 10,000m and the 2012 Games in London where she won bronze behind Ethiopian Tirunesh Dibaba.