Tough Mudder Colorado 2021

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Tough Mudder is more than a mud run - it's an epic teamwork experience. Tackle 8-10 miles and 25 obstacles with our Tough Mudder Classic or take on 3 miles and 13 obstacles with our Tough Mudder 5K. The party doesn't stop once you cross the finish line. Strap in and get ready for an all-out festival in Mudder Village with live entertainment, authentic local eats, lawn games and all the incredible Mudder camaraderie you can handle.

Tough Mudder Classic - Tough Mudder Classic is our return to our badass roots to make 2020 the greatest season yet. With one 8-10 mile loop of mud-soaked mayhem loaded with 25 best-in-class obstacles, this is your chance to get outside your comfort zone, discover what you're made of, and cross that finish line stronger than you started.

Tough Mudder 5K - This is no ordinary fun run. Tough Mudder 5K is an all-around life experience packed with 3 miles and 13 obstacles at every Tough Mudder weekend near you. Tough Mudder 5K is untimed, so there's no pressure, no judgement and no need to train. It's a like-minded community of people who've chosen to do something different with their weekend, make new friends, memories - and have the time of their lives doing it.

Event details and schedule

Sterling Ranch
8220 Piney River Avenue Littleton, CO  80125

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-) 2021 race registration is open • Registration Information