Madrid 2016 Olympic bid CEO Mercedes Coghen (2nd L) and Madrid Mayor Alberto Ruiz Gallardon (C) and Spanish opposition leader Mariano Rajoy (R) arrive for the opening ceremony of the 121st session of the International Olympic Congress on October 1, 2009 in Copenhagen. The International Olympic Committee (IOC) will vote on the destiny of the 2016 Summer Olympic Games on October 2, 2009 in Copenhagen after a final round battle between Chicago, Madrid, Tokyo and Rio de Janeiro.