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Russia's Daria Shmeleva and Russia's Anastasiia Voinova cycle to gold in the Women's team sprint final during the 2016 Track Cycling World Championships at the Lee Valley VeloPark in London on March 2, 2016 / AFP / Eric FEFERBERG (Photo credit should read ERIC FEFERBERG/AFP/Getty Images)

Russia's Daria Shmeleva and Russia's Anastasiia Voinova cycle to gold in the Women's team sprint final during the 2016 Track Cycling World Championships at the Lee Valley VeloPark in London on March 2, 2016 / AFP / Eric FEFERBERG        (Photo credit should read ERIC FEFERBERG/AFP/Getty Images)