12 Week Training: More than 20 percent of the people that enter a Tough Mudder wont cross the finish line. To be successful, youll need the endurance of a distance runner, the functional strength of a CrossFit junkie, and a solid mental game.

12 Week Training: More than 20 percent of the people that enter a Tough Mudder wont cross the finish line. To be successful, youll need the endurance of a distance runner, the functional strength of a CrossFit junkie, and a solid mental game.

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