The World Championships in Athletics in Daegu ended with the world record in the 4x100 quartet, achieved by Jamaican: XXX, Nesta Carter, Michael Frater and Yohan Blake. These great sprinters finished the race with a time of 37 "04, beating the old record of 37" 10 set at the Beijing Olympics. Silver medal went to France (38 "20) and bronze went to Saint Kitts and Nevis (38" 49). Good results for the Italian quartet, who finished fifth, which eventually made the semi-finals would be on the podium. The in Daegu World Championships competitions were held on Mondo Sportflex Super X Performance.