We Are du Tough Mudder & du Mini Mudder du Tough Mudder is a mud and obstacle course designed to test your physical strength, stamina, and mental grit. It is a team-oriented challenge with no winners, finisher medals, or clocks to race against. Join friends on a life-changing adventure where what you accomplish is almost as tough as who you are! du Mini Mudder is a 1.5km obstacle course mud run designed specifically for adventure-seeking kids. The course gives kids the chance to work as a team, get muddy, and experience the thrill of adventure! Follow for updates on tournaments.