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
Doping at the Olympic Games that were collected at the 2006 Turin Games. In 2014, the Estonian Olympic Committee was notified by the IOC that a retested sample from cross-country skier Kristina Šmigun had tested positive. On 24 October 2016, the World Anti-Doping Agency Athletes' Commission stated that Šmigun, who won two gold medals at the Turin Games, faces a Court of Arbitration for Sport hearing before the end of October. If Šmigun were to be stripped of her gold medals, Kateřina Neumannová of Czech Republic could be elevated to gold in the 7.5 + 7.5 km double pursuit event. Marit Bjørgen of Norway could