Correspondent Jon Wertheim breaks down the data behind 18-year-old Australian phenomenon Gout Gout's U20 world record ...

BEIJING -- Usain Bolt lowered his 6-foot-5 frame into a too-small seat in the warm-up room and watched on TV as his main rival coasted across the line in a first-round heat at the world championships.

RIO DE JANEIRO -- Usain Bolt turned the Olympic Stadium into his stage again for his first race at the Rio Games. With an easy win in his 100-meter heat, backed up by the trademark showmanship, he did ...

Usain Bolt restored order to the world of sprinting. Regaining the 100-meter world championship gold he lost through a false start two years ago, the Olympic champion once again holds every major ...

BEIJING -- After two years of uncertainty, Usain Bolt produced his biggest clutch performance to beat rival Justin Gatlin on Sunday in the 100-meter final at the world championships with a lunge at ...

DAEGU, SOUTH KOREA - AUGUST 28: Usain Bolt of Jamaica looks on before his men's 100 metres semi finals during day two of the 13th IAAF World Athletics Championships at the Daegu Stadium on August 28, ...

RIO DE JANEIRO -- Usain Bolt won a 100-meter race on a Rio de Janeiro beach with a time of 10.06 seconds on Sunday. Bolt cruised to victory on a four-lane standard running track set up on Leme beach.