Ehrig was born Andrea Mitscherlich in Dresden, Saxony, East Germany. At the 1976 Olympics in Innsbruck, as a 15-year-old, she won a silver medal in the 3000 m event, just one one-hundredth of a second ahead of Lisbeth Korsmo who won bronze. At the 1980 Olympics in Lake Placid she came fourth in the 3000 metres.
Andrea Mitscherlich was born in Dresden, Saxony, East Germany. In 1976 at age 15, she won a silver medal in the 3000 m event at the Olympics in Innsbruck, just one hundredth of a second ahead of Lisbeth Korsmo who took bronze. At the 1980 Olympics in Lake Placid, she finished fourth in the 3000 metres.