The 10,000 meter run is the longest race in track and field at the 2012 London Olympics. Mo Farah of Britain won the gold medal while Galen Rupp of the United States came in second. The event requires runners to complete 25 laps around a 400-meter track in the Olympic Stadium to be the first to cross the finish line, adhering to the rules of running neither further nor less than the set distance of 10,000 meters.