Dee ihe ga-aga n'ihu na paragraf a - Petra Thümer (onye mechara bụrụ Deckert mgbe ahụ Katzur, amụrụ 29 Jenụwarị 1961) bụ onye bụbu onye na-egwu mmiri si East Germany. O nwetara ihe nrite ọla edo na 400 m na 800 m freestyle na 1976 Summer Olympics na 1977 European Aquatics Championships
Ọ dị mma. N'oge ọrụ ya, o setịpụrụ ihe ndekọ ụwa ise na 400 m na 800 m freestyle. N'afọ 1987, a nabatara ya n'ụlọ ezumezu ama ama nke International Swimming.