Tough Mudder events 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, 1,000,000 inspiring participants worldwide to date, and more than $2.75 million raised for the Wounded Warriors Canada, Tough Mudder is the premier adventure challenge series in the world. About Us FAQ Contact Mudder Services