Polina FrolovaPolina Sergeyevna Frolova, née Malchikova is a Russian ski-orienteering competitor, who was suspended for four years for doping.BiographyShe won a gold medal in the middle distance at the 2011 World Ski Orienteering Championships in Sweden, ahead of Alena Trapeznikova and Stine Olsen Kirkevik. In 2017, Frolova was found guilty of doping and therefore stripped of all medals won in 2017 and banned from competing for 4 years.