约汉·布雷克，Yohan Blake is a Jamaican sprinter specialising in the 100-metre and 200-metre sprint races. He won gold at the 100 m at the 2011 World Athletics Championships as the youngest 100 m world champion ever, and a silver medal in the 2012 Olympic Games in London in the 100 m and 200 m races for the Jamaican team behind Usain Bolt. His times of 9.75 in 100m and 19.44 in 200m are the fastest 100m and 200m Olympic sprints in history to not win the gold medal.