BBC Sport - Rio 2016: David Rudisha breaks 800m world record at London 2012
'Unbelievable' Rudisha smashes 800m world record
- From the section Olympics
BBC Sport continues the countdown to the Rio Olympics with the moment Kenya's David Rudisha smashes the 800m world record with a time of 1:40.91 at London 2012.
Watch full coverage of the 2016 Olympic Games across the BBC this summer.