Submitted by ub on Sat, 02/16/2013 - 19:29

Tough Mudder events are not for everyone. These are hardcore 10-12 mile obstacle courses designed by British Special Forces to test your all around strength, stamina, mental grit, and camaraderie.

With the most innovative courses, half a million inspiring participants, and more than $5 million raised for the Wounded Warrior Project.

Tough Mudder is the premier adventure challenge series in the world.