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World’s Toughest on CBS SPORTS

24 hours. 100 miles.Extreme Obstacles. Amazing Stories

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What is Tough Mudder Half

5 Miles. 13 obstacles. One extraordinary experience.

Tough Mudder Half isn’t a race -- it’s a challenge that’s all about teamwork, fun and finding out what you’re made of....

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World's Toughest Mudder on CBS Sports

World’s Toughest Mudder is the most epic endurance event on the planet. 24 hours. 20 never-before-seen obstacles. Over $170,000 of prizing on the line. And some of the most badass and inspirational athletes in the world. Join us for an epic 3-part series chronicling the 2016 World's Toughest Mudder event as told by CBS Sports on how athletes trained for the finish line and all of the action in between airing on CBS and CBS Sports Network. Not sure where to tune in to CBS Sports Network? Check out the channel finder on

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Become a real hero -- use your run to fundraise for an important cause. Support our official charity partners, Team Rubicon and Wounded Warriors Canada, or run for free by raising money for a nonprofit in our charity family.