Marathon runners move past Tiananmen Square during the Beijing Olympics men's marathon competition.

Kenya's Samuel Kamau Wansiru competes in men's marathon outside the "Bird's Nest" National Stadium. 21-year-old Wansiru won with a time of 2:06:32, giving Kenya its first ever Olympic gold in the event.

Athletes compete in the men's marathon.

Athletes compete in the men's marathon.

Athletes compete during the men's marathon at Tiananmen Square.

From left: Morocco's Jaouad Gharib, Eritrea's Yonas Kifle, Kenya's Martin Lel, Ethiopia's Deriba Merga and Kenya's Samuel Kamau Wansiru compete in the leading group of men's marathon. Wansiru won gold, Gharib silver and Ethiopia's Tsegay Kebede bronze.

Wansiru crosses the finish line in the men's marathon event at the "Bird's Nest" National Stadium.

Wansiru celebrates after winning the men's marathon title.

Wansiru kneels on the floor after winning the men's marathon title.

Entertainers perform during the men's marathon at the "Bird's Nest" National Stadium.