
Jaroslaw Hampel (L) of Poland and Greg Hancock (R) of the USA steer their motorcycles into a curve during the Speedway World Championship GrandPrix 2011 in Prague, Czech Republic, on 28 May 2011. EPA/FILIP SINGER

A longtime exposure image shows motorcyclists competing during the Speedway World Championship GrandPrix 2011 in Prague, Czech Republic, 28 May 2011. EPA/FILIP SINGER

A longtime exposure image shows motorcyclists competing during the Speedway World Championship GrandPrix 2011 in Prague, Czech Republic, 28 May 2011. EPA/FILIP SINGER

Motorcyclists compete during the Speedway World Championship GrandPrix 2011 in Prague, Czech Republic, 28 May 2011. EPA/FILIP SINGER

Jason Crump of Austria (L) and Jaroslaw Hampel of Poland compete during the Speedway World Championship GrandPrix 2011 in Prague, Czech Republic, 28 May 2011. EPA/FILIP SINGER

Greg Hancock of the USA celebrates after winning the Speedway World Championship GrandPrix in Prague, Czech Republic, 28 May 2011. EPA/FILIP SINGER

Greg Hancock of the USA celebrate with his trophy after winning the Speedway World Championship GrandPrix race in Prague, Czech Republic, on 28 May 2011. EPA/FILIP SINGER

(L-R) Jaroslaw Hampel of Poland, Greg Hancock of the USA and Tomasz Gollob of Poland celebrate on the podium after the Speedway World Championship GrandPrix in Prague, Czech Republic, 28 May 2011. Hancock take first place, Hampel second place and Gollob third place. EPA/FILIP SINGER

Greg Hancock of the USA (front) leads the pack in the final race on his way to win the Speedway World Championship GrandPrix race in Prague, Czech Republic, on 28 May 2011. EPA/FILIP SINGER

Greg Hancock of the USA celebrates after winning the Speedway World Championship GrandPrix in Prague, Czech Republic, 28 May 2011. EPA/FILIP SINGER