She was a member of the silver medal winning Russian team at the 2012 Summer Olympics, and the 2013 European all around bronze medalist.

In April, Grishina competed at the European Championships in Birmingham, United Kingdom.

At the end of the year she told International Gymnast Magazine, "The best moments in 2010 were that I performed well at the European Championships, and I finished the first term at school with 13 5s (As) and three 4s (Bs).

[3] In April, Grishina competed at the Russian National Championships in Penza, Russia.

[5] In July, Grishina was meant to compete at the European Youth Olympic Festival in Trabzon, Turkey but she injured her hamstring.

[9] In March, Grishina competed at the Russian National Championships in Penza, Russia.

[16] At the end of July, Grishina competed at the 2012 Summer Olympics in London, United Kingdom.

In qualifications, she placed twelfth all around with a score of 57.332 but did not advance to the all around final due to the two per country rule.

[18] In January, Grishina began training with coaches Viktor Razumovsky and Irina Razumovskaya.

[19] In March, Grishina competed at the Russian National Championships in Penza, Russia.

[29] A back injury sustained during the 2013 Russian Cup in August prevented her from competing at the 2013 World Championships in Antwerp, Belgium.

[31] In the team final, Grishina contributed scores of 14.600 on balance beam and 13.200 on floor exercise towards the Moscow region's second-place finish.

[32] On January 19, 2016, national team co-ordinator Valentina Rodionenko confirmed that Grishina had retired from artistic gymnastics training with immediate effect.