Tarasova-Sakharovskaya represented her nation at the World Allround Speed Skating Championships at the 2004 championships, finishing 11th overall and at the 2005 championships, finishing 15th overall. In the same years she also participated at the European Speed Skating Championships for Women. At the 2004 World Single Distance Speed Skating Championships she competed in the 1500 metres event (16th) and 3000 metres event (21st). The year later at the 2005 World Single Distance Speed Skating Championships she competed in the 1500 metres event (16th), 3000 metres event (18th) and team pursuit event (4th). She also competed at other international competitions, including at ISU Speed Skating World Cups.