2012–13 season became one of her most successful. In the first sprint race of that season on 1 December 2012, Olena finished third in Östersund, Sweden, and was second in pursuit in Italian Antholz-Anterselva in January 2013. Later on Pidhrushna took a hat-trick of medals at the 2013 Biathlon World Championships, where she won the gold in the sprint, was part of the women's relay team which won silver, and secured a bronze in the pursuit. For these achievements she was named as Ukraine's best sportswoman of 2013. That season she ended ranking 8th in World Cup general classification.