Rubuta ci gaba don wannan sakin layi - Petra Thümer (daga baya Deckert sannan Katzur, an haife shi 29 Janairu 1961) tsohuwar 'yar wasan ruwa ce daga Gabashin Jamus. Ta lashe lambar zinare a tseren mita 400 da 800 a gasar Olympics ta 1976 da kuma gasar tseren Turai ta 1977
Ka yi haƙuri. A lokacin aikinta ta kafa tarihin duniya guda biyar a tseren mita 400 da 800. A cikin 1987 an shigar da ita cikin Hall of Fame na Swimming na Duniya.