She won a bronze medal in the group all-around competition at the 2008 Summer Olympics in Beijing.

[1] At the 2009 World Championships, she won silver medals in group all-around and 3 ribbons & 2 ropes, and bronze in 5 hoops.

At the 2012 European Championships, Tumilovich was a member of the group that won the all-around silver medal and gold in 3 ribbons/2 hoops.

At the 2012 Summer Olympics in London, she won silver in the group all-around event together with group members Maryna Hancharova, Ksenia Sankovich, Nataliya Leshchyk, Aliaksandra Narkevich, and Anastasia Ivankova.

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