She represented Ukraine at the 2012 Summer Olympics in women's freestyle 55 kg.

She finished 5th after losing to Tonya Verbeek in the quarter-finals and to Jackeline Renteria in the repechage.

[1] She competed in the same weight category at the 2004 Summer Olympics.

Lazareva was coached by her husband, Grigori Shepelyev, with whom she has two sons – Aleksandr and Alexei.

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