Article Photos: Bolt gets 3rd gold and world record; Farah wins



Athletes compete in the men's 50-kilometer race walk at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Sergei Grits)

Athletes compete in the men's 50-kilometer race walk at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Sergei Grits)