As a junior, Ilina was a member of the Russian group (with Ksenia Dudkina, Alina Makarenko and Karolina Sevastyanova) that won the gold medal at the 2010 Youth Olympic Games. She competed in her first senior Worlds at the 2011 World Championships where the Russian group won silver in Group All-around and gold in 5 Balls. She was also part of the gold medal-winning Russian group at the 2012 European Championships.