Oksana Khvostenko
Oksana Khvostenko is a Ukrainian biathlete. She is a multiple medalist at the World Championships. In 2008 together with Andriy Deryzemlya she won World Team Challenge.Anti-doping rule violation
Khvostenko tested positive for ephedrine at a post event doping control at the Biathlon World Championships 2011 where the Ukrainian team had finished second in the Women's Relay. The team was later disqualified because of the anti-doping rule violation and Khyostenko received a one-year ban from sport, commencing on 13 March 2011.Personal life
Since 2001, she is married to Ukrainian biathlete Vyacheslav Derkach.Career
