The World Indoor Championships in Istanbul, scheduled for March 9 to 11, has registered a record even before it began: with 172 nations participating in this year edition it has surpassed the previous record achieved in 2008 in Valencia, with 147 nations. Large participation in terms of attendance, with 349 male athletes , 334 women athletes and 616 officers. The World Indoor Championships were held for the first time in Paris in 1985 with the participation of 65 nations, and the last edition was held in Doha in 2010 and was attended by 148 nations. In Istanbul, the athletes will be competing on a Mondo track, and Mondo will also provide equipment, screens and the stands.