Biryukova added the triple jump to her oeuvre the following year. She set personal bests at the Russian under-23 championships, winning the triple jump in and finishing second in the long jump with . She represented Russia in both events at the 2011 European Athletics U23 Championships – she was eliminated in long jump qualifying but came eighth in the triple jump final. She refocused on the long jump and made significant improvements in 2012, clearing a best of . She came ninth (upgraded to eighth after Karin Melis Mey was disqualified) at the 2012 European Athletics Championships in her first senior international outing, but managed only tenth place at the Russian Athletics Championships. The 2013 season also had mixed fortunes for Biryukova: she set several personal bests (7.50 for the 60 metres, in the long jump, in the triple jump) and placed third at the Russian indoor championships, but did not get past the qualifying of the 2013 European Athletics Indoor Championships – her only outing for Russia that year.