Background
Jaremski was born in Zabrze and represented the club Górnik Zabrze.
Jaremski was born in Zabrze and represented the club Górnik Zabrze.
He competed in 400 m at the 1972 and 1976 Summer Olympics, reaching the quarter-finals both times. In the 4 × 400 m relay he finished fifth with the Polish team at the 1972 Olympic Games.