Career
In Soviet times she trained at Dynamo in Vladimir
She earned a total of five medals in the Winter Olympics, including three golds (1988: cross country 4×5 km, 1992: biathlon 75 km, 1994: biathlon 4×75 km), one silver (1988: cross country 20 km), and one bronze (1992: biathlon 3×75 km). Reztsova also found success at the FIS Nordic World Ski Championships, earning three golds (4×5 km: 1985, 1987, 1999) and two silvers (1987: 5 km, 20 km). She lives in Moscow. She is the mother of biathlete Daria Virolaynen.
In the interview to the Russian ski magazine "Ski sport" she admitted using banned performance enhancing drugs during 1998-1999 season.