Leading up to the Games, she finished with the second-place time in 1:00.95 to assure her direct selection to the Olympic team and clear the FINA A-cut (1:01.70) by almost a full second at the Russian Open Championships in Moscow.

[4] Swimming in heat six on the evening prelims, Moskvina put up a tremendous effort from lane one with a blazing 1:00.70 to seal the last seed of the top 16 semifinal roster.

[5][6] On the last day of the competition, Moskvina earned a fifth-place finish as a member of the Russian team in the 4 × 100 m medley relay with a final time of 3:57.84.

[7][8] Swimming the lead-off backstroke leg in the prelims, Moskvina produced a split of 1:01.05 to receive the Russian foursome of Anastasia Aksenova, Yuliya Yefimova, and Natalya Sutyagina a fifth seed en route to the final in 3:59.66.

[9][10] On March 14, 2013, Moskvina was ordered a six-year ban by the Russian Swimming Federation for committing a second doping violation.