Marzena Koscielniak

Marzena Koscielniak is a POL sprinter, born on December 28, 1989. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.45 in the 100m, 24.58 in the 200m, 54.99 in the 400m, 13.72 in the 100mH and 56.52 in the 400mH. She has earned 1 gold medal in major international competitions. She is currently active on the international athletics circuit, representing POL.