The official agreement was made between Mondo and the Organizing Committee of the 2015 World Championships in Athletics for the supply of the track inside the Beijing National Stadium. The new track will be the flagship of the complete makeover of the Beijing Bird Nest - Olympic Complex Stadium, used for the 2008 Olympics, the first was held on a Mondotrack surface and on which Usain Bolt recorded three world records: 100m, 200m and 4x100 relay. Installed were approximately 21,000 square meters of Mondotrack 13,5mm, red material, on the main track, as well as on the warm-up track and the connection area between the two tracks. The work is scheduled to begin on March 15, 2015, in time for the test event in late May. The World Championships in Athletics will be held August 22nd to 30th, 2015. "The IAAF World Championships will be the biggest sporting event of 2015. Two thousand athletes from more than 200 nations, will find themselves in Beijing for nine days of competition that will be seen by an audience of 6 billion people around the world, "said Lamine Diack, IAAF President.