Article Photos: Kirdyapkin wins 50K walk; Bolt aiming for record



Ethiopia's Meseret Defar holds up a picture for a television cameraman after winning the women's 5000-meters final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Martin Meissner)

Ethiopia's Meseret Defar holds up a picture for a television cameraman after winning the women's 5000-meters final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Friday, Aug. 10, 2012. (AP Photo/Martin Meissner)