an average speed of 41.38 km/h. 200 metres 19.19 Berlin, Germany 20 August 2009 Also holds the Olympic Record with 19.30, at the time (2008) a new world record . 300 metres 30.97 Ostrava , Czech Republic 27 May 2010 This is the second fastest time, behind Michael Johnson's 30.85. 400 metres 45.28 [10]