You are hereHome / Training / Endurance Tough Mudder's New Obstacles for 2014 An exclusive look at Tough Mudder's latest challenges. by Mark Barroso Return to Gallery Topics: adventure racingextreme sportsfull body workouts Want more Men's Fitness? Sign Up for our newsletters now. more galleries Style Goals David Villa masters the season's best new athletic outerwear. Splurge-Worthy 10 grooming products worth the price tag. Newest Shoes Five just-released running sneakers you need to check out. Lose Fat With These 5 Tips These unusual nutrition habits will help you shed excess flab.