Mark Ostendarp is a retired German runner, who specialized in the 3000 metres steeplechase. Ostendarp won the 1997 Summer Universiade, finished ninth at the 1997 World Championships and at the 1998 European Championships. From Wikipedia
The Dresden native set a new national best of 5:20.03 in the 2000 meters steeplechase during the DSC-Meeting in his hometown.
