Dudkina was trained by Elena Arais (daughter of Vera Shtelbaums, who is Evgenia Kanaeva's personal coach) before she started competing in group.

She was part of the golden winning Russian Group at the 2012 European Championships and at the World Cup Final in Minsk.

Dudkina won a gold medal at the 2012 Summer Olympics in the group all-around event together with other group members (Uliana Donskova, Anastasia Bliznyuk, Alina Makarenko, Anastasia Nazarenko, Karolina Sevastyanova)[1] For six months leading up to the Olympic Games, the Russian gymnasts only ate buckwheat in their diet.

At the Sofia World Cup they won the silver medal in all-around and gold in 2 ribbons/3 balls final.

Dudkina and the rest Russian Group won all the gold medals at the 2013 Summer Universiade in All-around, 10 clubs and 2 ribbons/3 balls.