Sigrid Wienke  Sigrid Wienke (born July 1949) is an East German former long track speed skater, who was active in the 1960s and early 1970s. Wienke represented her nation at the World Allround Speed Skating Championships for Women in 1965, finishing 28th overall. She also competed at other international competitions. Between 1965 and 1971 she competed at 19 national championships (different disciplines per year), winning a total of two silver and three bronze medals.