Kammala jumla mai zuwa: Jaremski an haife shi ne a Zabrze kuma ya wakilci kulob din Górnik Zabrze. Ya fafata a tseren mita 400 a wasannin Olympics na bazara na 1972 da 1976, inda ya kai wasan kusa da na kusa da na karshe a duka lokutan. A cikin 4 × 400 m relay ya gama na biyar tare da tawagar Poland a
Wasannin Olympics na shekarar 1972. Daga nan ya lashe lambar azurfa a Wasannin Olympics na 1976 tare da abokan wasansa Ryszard Podlas, Jan Werner da Jerzy Pietrzyk.