The event was held in Daegu, the country’s third largest city, from August 27 to September 4, 2011, with more than 100 million spectators over the world. Daegu Stadium is also the venue where many other international sports competitions, including the 2002 FIFA World Cup Korea/Japan and the 2003 Summer Universiade, were held. During the 2011 IAAF World Championships in Daegu, the stadium’s high-definition electric signboard displayed minute differences of hundredths of a second in the athletes’ times, presenting vivid scenes of an athletics competition to spectators all over the world.