Marathon at world champs comes down to a sprint and a photo finish

They ran for more than two hours and needed a photo finish to determine the winner. Alphonce Simbu edged out Amanal Petros in the men's marathon at world championships Monday in a 26.2-mile (42.195-kilometer) race through the streets of Tokyo that came down to a sprint down the homestretch of the track at Japan National Stadium. It was the closest marathon in world championships history.