(CNN) -- Olympic champion Usain Bolt smashed his own record to end the reign of 100-meter title-holder Tyson Gay at the world ...

(CNN) -- Usain Bolt smashed his own world record in winning the Olympic 100 meters title in Beijing with one of the most remarkable performances in the history of track and field. Bolt (right) crosses ...

REUTERS - Former world record holder Asafa Powell ran his fastest 100 metres in four years to win the sprint at the Paris Diamond League meeting in 9.81 seconds on Saturday. Frenchman Jimmy Vicaut ...

Usain Bolt capped a memorable world championships by winning a third gold in Beijing as anchor of Jamaica's 4x100m relay team, while the United States were disqualified to hand China a shock silver.

Justlin Gatlin continued his magnificent form as he finished ahead of Asafa Powell and Tyson Gay in the 100 metres event at the Prefontaine Classic ahead of the Rio Olympics.