Usain Bolt’s legendary 100m world record faces a new kind of challenge as controversial developments spark fresh debate in ...

(AP) As tough as it is to upstage Usain Bolt, fellow Jamaican Johan Blake just about did it on Thursday at the Athletissima Diamond League meet. Bolt, the Olympic champion and world record holder over ...

Usain Bolt, whose 9.58 seconds world record for the 100 metres is now 16 years old, says he could have run 9.42 in the carbon-plated “super-spikes” that today’s sprinters are racing in. The Jamaican ...