Ryszard Marczak

Ryszard Marczak is a Poland long-distance runner, born on November 25, 1945. He competes primarily in the Semi, Marathon and 25Kilometr.

His personal bests include 1:03:34 in the Semi, 2:12:44 in the Marathon and 1:17:32 in the 25Kilometr. He is currently active on the international athletics circuit, representing Poland.