Question: Anna Guseva is a Russian distance swimmer, she competed in the Women's marathon 10 kilometre, finishing in 10th place, in which 2012 major international multi-sport event celebrated in the tradition of the Olympic Games, as governed by the International Olympic Committee (IOC)?

Related documents: [0]  [DOC] The 2012 Summer Olympics, formally the Games of the XXX Olympiad and commonly known as London 2012, was a major international multi-sport event celebrated in the tradition of the Olympic Games, as governed by the International Olympic Committee (IOC). It took place in London and to a lesser extent across the United Kingdom from 25 July to 12 August 2012. The first event, the group stage in women's football began on 25 July at the Millennium Stadium in Cardiff, followed by the opening ceremonies on 27 July. 10,768 athletes from 204 National Olympic Committees (NOCs) participated. [END] 
[1]  [DOC] Anna Guseva is a Russian distance swimmer. At the 2012 Summer Olympics, she competed in the Women's marathon 10 kilometre, finishing in 10th place. Trained by Elezarova Galina Alekseievna. [END]  
Answer: 2012 Summer Olympics
2012 Summer Olympics