KINGSTON, Jamaica -- Usain Bolt's Olympic quest is in question after the sprint superstar left his country's national championships with a hamstring injury shortly before he was going to run the ...

Usain Bolt has suffered a torn hamstring and will wait until later in July to try and earn his place at the Rio Olympics. The Jamaican sprint star withdrew from the team trials on Friday, having run a ...

br/>RIO DE JANEIRO -- Buried beneath the confidence and the charisma, sprinkled between the jokes at the start of the press conference and the almost-naked dancers at the end, were a few hints that ...

Jamaica's sprint superstar and reigning world champ Usain Bolt has the world on edge — and his recent right hamstring injury is partly to blame. Questions over the condition of that muscle have added ...