Rubuta ci gaba don wannan sakin layi - A cikin 1934 ya zama mai riƙe da rikodin duniya na ƙarshe na decathlon a ƙarƙashin hanyar ƙididdigar 1915, tare da maki 8790.46, kuma ya lashe lambar zinare a gasar zakarun Turai ta 1934
Ka yi haƙuri. A zamanin Nazi a Jamus, Sievert an gan shi a matsayin alama ce ta fatan "tseren mashahuri" na Jamus a Wasannin Olympics na 1936. Duk da haka, ya ji rauni a lokacin wasannin kuma an lashe lambar zinare ta Amurka Glenn Morris, wanda kuma ya doke rikodin Sievert. An ba Sievert shawarar barin wasan bayan raunin da ya samu.