FSI Challenges all Environmental Services Groups to the Field of Tough Mudders!
Probably the toughest event on the planet®
Tough Mudder events are hardcore obstacle courses designed to test your all around strength, stamina, mental grit and camaraderie.
Who do they support?
Tough Mudder is a proud supporter of Wounded Warrior Project. To date, Tough Mudder participants have raised over $5 million to support thousands of warriors returning from the battlefield.