First played Metze quite successful volleyball. 1970 and 1971 she was Champion students with their team SG Dynamo Meissen, 1972 Spartakiadesiegerin. After the Summer Olympic Games in Montreal in 1976 Women's Rowing became an Olympic, changed harlot also note their coach in 1973 rowing.
Karin Metze now launched initially for the BSG unit Meissen, and later for the SC Einheit Dresden where she was coached by Richard Awakening and Dieter Grahn. From 1976 it belonged to the National Team of the GDR and was first used in the foursomes with control women. With this boat, she won the first Olympic gold medal in the women's rowing at all. In 1977 she moved to the eighth. 1977, 1978, 1981 and 1982, she was in the boot class World Champion, 1978 World silver medalist and 1983, third in the World Championships. In Moscow, she won her second Olympic gold medal at the 1980 Summer Olympics in the eighth. Due to the Olympic boycott the GDR could not participate in her third Olympics in 1984 in Los Angeles. The last international start was on the Rotsee in Lucerne. After that massacre ended her athletic career. 1976 and 1980 she was awarded the Patriotic Order of Merit in silver. In 1984 she was awarded the medal in bronze.
Metze is a trained commercial clerk, and studied economics after her career in mechanical engineering at the Industrial Institute of the Technical University of Dresden. After graduating she became clerk in the personnel department in the Heidenauer Maschinenfabrik. In 1988 she married and took the name of her husband in 1989 and got a daughter. She now lives and works in Heidenau as a clerk in a telephone directory publisher in Dresden.