The story

Olympic champion Usain Bolt smashed his own record to end the reign of 100-meter title-holder Tyson Gay at the World Championships in Berlin on Sunday night.

The Jamaican clocked an incredible 9.58 seconds to surpass the 9.69 he set in winning gold at the Beijing Games last year, with Gay finishing second after setting an American record of 9.71.

Former world record-holder Asafa Powell clinched a second medal for Jamaica as he finished third in 9.84. The race had been billed as the highlight of the championships, with Gay returning to form this year after failing to make the Olympic final. Read full article »