Usain Bolt's bid to bring the curtain down on his glittering career with a 15th world gold medal remained on track as Jamaica qualified for the final of the 4x100m relay. Bolt took the unusual step of ...

For decades, the 4x100m relay rivalry between the United States and Jamaica has defined the sprinting world. There was a time when names like Usain Bolt and Shelly-Ann Fraser-Pryce reigned supreme in ...

Bolt did not run in Saturday's morning heats but will take his place in the evening finals after his team mates set the fastest qualifying time at Beijing's national stadium. Usain Bolt remained on ...