Yohan Blake beats Usain Bolt over 200m at the Jamaican Olympic trials . The win follows Blake 's victory over Bolt in Friday 's 100m final . - Track and field athletes from around the world will compete for gold medals on Saturday, with a number of events including the men's decathlon taking place in Beijing. Olympic gold medalist Bolt holds the world record over 100 & 200m . When asked if he had anything to prove heading into his third Games , Bolt replied : `` I would say definitely . Blake is the reigning 100m world champion after winning in Daegu last year .
Yohan Blake beats Usain Bolt over 200m at the Jamaican Olympic trials . The win follows Blake 's victory over Bolt in Friday 's 100m final . - Track and field athletes from around the world will compete for gold medals on Saturday, with a number of events including the men's decathlon taking place in Beijing. Olympic gold medalist Bolt holds the world record over 100 & 200m . Blake is the reigning 100m world champion after winning in Daegu last year .