David Rudisha 800m en or avec le record du monde (1'40"91) !
David Rudisha - Kenyan Olympic champion & world record holder
Rudisha Breaks World Record - Men's 800m Final | London 2012 Olympics - YouTube
David Rudisha: 'Running is so exciting!' The 800m world record holder and Olympic champion on why Bolt is best, running 400m in 52 seconds barefoot on a dirt track, and eating fried eggs before training