Mark Proosten at 24 Hour Race Share Facebook Twitter LinkedIn Pinterest E-mail Enlarge Mark at 24 Hour Race - This picture was taken with the Mediamatic IkCam . With: Mark Proosten With: Mark Proosten Enlarge Mark , Jesse at 24 Hour Race - This picture was taken with the Mediamatic IkCam . With: Mark Proosten, Jesse Geers Enlarge Mark at 24 Hour Race - This picture was taken with the Mediamatic IkCam . With: Mark Proosten