Britain's Dominic King, who finished last, waves to the crowds outside Buckingham Palace, as he competes in the men's 50-kilometer race walk, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Lefteris Pitarakis)
Britain's Dominic King, who finished last, waves to the crowds outside Buckingham Palace, as he competes in the men's 50-kilometer race walk, at the 2012 Summer Olympics, Saturday, Aug. 11, 2012, in London. (AP Photo/Lefteris Pitarakis)