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Holiday Savings - Get Up To $20 OfF

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World’s Toughest on CBS SPORTS

24 hours. 100 miles.Extreme Obstacles. Amazing Stories

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Gift From Us to You - Get Up To $20 Off

Make Your Holidays Muddy

Celebrate this holiday season with the gift of Mud. Sign up now and take $20 off any Tough Mudder or $10 off any Tough Mudder Half event in 2017. Hurry...

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....

Free Holiday Training Guide

KICK YOUR NEW YEAR'S RESOLUTION INTO HIGH GEAR

Download our free 30-day training guide and blast into 2017 feeling stronger than ever.

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 CBSSportsNetwork.com.

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Train Tough

Get prepared to take on Probably the Toughest Event on the Planet. Shop our tough training gear.

RUN FOR A CAUSE

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.