Jamaican sprint king says he is only 50-50 to make it to London in 2017 and could retire after Rio Olympics
Jamaican sprinter storms to 200m victory but is brought back down to earth during lap of honour – video
Jamaican 'saviour' comes good when it matters as rival Gatlin cracks under pressure in Beijing
Jamaican sprinter cast in the role of athletics saviour against American rival tarnished by two drugs bans
Olympic medal winners are among those to return 'suspicious' blood tests, but so far they have remained anonymous
Out-of-form Jamaican promises fireworks at the Olympic Stadium ahead of the World Championships in Beijing
Teenage sprinter from Anguilla can now represent UK, but decision reignites 'plastic Brit' debate
World record holder Bolt says reducing rival Gay's drugs ban to one year was 'stupid'
British sprint champion dismisses Arsenal speed claims and offers to race flying Gunners
Winger set to return after nine months out with knee injury as Welbeck joins Gunners fast men
Team GB tops the medals table after three golds, a silver and two bronze medals at European championships
Australian Genevieve LaCaze gatecrashes the stage during Kylie set as Commonwealth Games come to an end
Usain Bolt denies calling the Commonwealth Games in Glasgow 'a bit s***' – but maybe they are
With the Moscow championships about to start, a warning that athletics are as drug-riddled as cycling used to be
Race between Olympic champions could become a reality, but are Bolt's powers on the wane?
As fellow Jamaican athletes are mired in doping scandals, Bolt tells London: 'I'm clean'
Eagerly awaited head-to-head between Gay and Bolt is now off as American awaits B sample test
'You learn more from losing. You can't win every race in your career,' says Bolt after Rome Golden Gala
Jessica Ennis, Mo Farah and Greg Rutherford will also star, but Oscar Pistorius is banned