Usain Bolt won the 100m and 200m double at the Beijing Games in 2008, setting world records in both events in the process. Since then he's had world championship glory, disappointment in Daegu and seen his dominance of the sprints threatened by his compatriot Yohan Blake
Usain Bolt celebrates as he approaches the line on his way to winning gold in the 100m final at the Beijing Games in 2008. Bolt clocked a new world record time of 9.69secPhotograph: Vladimir Rys/Bongarts/Getty ImagesBolt carries his gold running shoes after winning the 100m at the Bird's Nest StadiumPhotograph: Dan Chung for the GuardianBolt followed that up with victory in the 200m, again setting a new world record in the processPhotograph: Dan Chung for the GuardianBolt celebrates his new world record time of 19.30secPhotograph: Tom Jenkins for the GuardianBolt celebrates with fans after winning the men's 100m at the Golden League meeting at the Stade de France in 2009Photograph: Lionel Cironneau/APBolt signs autographs after winning the 100m at the Golden Gala in Rome in 2009Photograph: Alessandro Bianchi/ReutersBolt powers to victory in the men's 200m at the 2009 world championships in Berlin, breaking his own world record with a time of 19.19secPhotograph: Adrian Dennis/AFP/Getty ImagesBolt points skywards after his 200m victory in BerlinPhotograph: Franck Fife/AFP/Getty ImagesTwo years later the world championships in Daegu were not quite such a happy hunting ground. In the 100m he was disqualified from the final after a false startPhotograph: Alexander Hassenstein/Bongarts/Getty ImagesBut there was victory again in the 200m, with Bolt striking his trademark pose after the winPhotograph: Olivier Morin/AFP/Getty ImagesBolt asserts his authority in the 100m at the Diamond League meeting in Rome in May 2012Photograph: AFP/AFP/Getty ImagesBut Bolt was beaten by his compatriot Yohan Blake in both the 100m and 200m at the Jamaican trials for the London 2012 squadPhotograph: Gilbert Bellamy/ReutersUsain Bolt poses with his running spikes and official team uniform for the London 2012 Opening CeremonyPhotograph: Dylan Martinez/Reuters