Russia at the 2012 Summer Olympics and basketball teams won gold and bronze medals, respectively. For the first time in its history, Russia won Olympic gold medals in judo. Among the nation's medalists were Aliya Mustafina, who emerged as one of the most successful Russian gymnasts in history, with a total of four Olympic medals at a single games, and Maria Sharapova, who won silver in the women's tennis singles against United States' Serena Williams. Anastasia Davydova became the most successful synchronized swimmer in Olympic history, with a total of five gold medals, while her compatriots Natalia Ishchenko and Svetlana Romashina managed to win gold medals
Canada at the Summer Olympics Canada at the Summer Olympics Canada has competed at 23 Summer Olympic Games, missing only the inaugural 1896 Summer Olympics and the boycotted 1980 Summer Olympics. The nation made its debut at the 1900 Summer Olympics. Canada competes under the IOC country code CAN. Canada has hosted the Summer Olympic Games once, in 1976 in Montreal, and the Winter Olympic Games twice, in Calgary, Alberta in 1988 and Vancouver, British Columbia in 2010. <onlyinclude> "Canada also won 1 gold medal and 1 silver medal at the 1906 Summer Olympics, which the IOC no longer recognizes as an official Olympic games,