Ethiopia's Dejen Gebremeskel leads United States' Bernard Lagat, Ethiopia's Yenew Alamirew, Kenya's Thomas Pkemei Longosiwa Morocco's Abdalaati Iguider in their heat of the men's 5000 meters during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Martin Meissner)