Photos: Tough Mudder Vancouver 2012 muddies up Whistler Olympic Park
Tough Mudder participants sign a "death waiver" before starting the course.
Tough Mudder Vancouver 2012 saw participants tackle 22 obstacles on June 23 and 24.
Obstacles with names like Arctic Enema, Hold Your Wood, and Kiss of Mud.
The obstacle-course challenge took place at Whistler Olympic Park.