Summer Olympic Games team events. American swimmer Michael Phelps set a record for gold medals at a single Games with eight, and tied the record of most gold medals by a single competitor previously held by both Heiden and Scherbo. Another major star of the Games was Jamaican sprinter Usain Bolt, who became the first male athlete ever to set world records in the finals of both the 100 and 200 metres in the same Games. Equestrian events were held in Hong Kong. London held the 2012 Summer Olympics, becoming the first city to host the Games three times. In his closing address
Bids for the 2014 Summer Youth Olympics 2014 host city was elected during the 2010 IOC session in Vancouver, prior to the 2010 Winter Olympics. This was the first election of a Youth Olympic Games host city held in an IOC Session. The elections for the host cities of the 2010 Summer Youth Olympics and 2012 Winter Youth Olympics were done through postal votes by IOC members. China bid for the 2014 Summer Youth Olympics with the city of Nanjing. Nanjing is located in East Central China along the Yangtze River. The IOC noted Nanjing had "the least risk" of the applicant cities. Poznań bid for the