Madrid bid for the 2016 Summer Olympics of the IOC. The Spanish Olympic Committee (SOC) confirmed Madrid as its candidate city to host the 2016 Summer Olympics and Paralympics on May 30, 2007. This is the city's second consecutive bid and its third failure, after two failed attempts for the 1972 and the 2012 Summer Olympics. Geographic issues were highlighted as a major problem for Madrid due to recent Olympic Games in Europe as the 2012 Summer Olympics in London, United Kingdom, and the 2014 Winter Olympics in Sochi, Russia. If successful, it would be the second Olympics hosted in Spain, after the 1992 Summer Olympics held
Rio de Janeiro bid for the 2016 Summer Olympics The Brazilian Olympic Committee (COB) chose Rio de Janeiro as its bidding city to host the 2016 Summer Olympics and Paralympics, during its Annual Assembly on September 1, 2006. This was the city's first bid that proceeded to the Candidature phase, after three failed attempts to host the Games in 1936, 2004 and 2012. The lengthy and intensive bidding process was concluded with the election of Rio de Janeiro as the host city during the 121st IOC Session, held in Copenhagen, Denmark, on October 2, 2009. It is the first city in South America to host the Games. Rio de