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 Great Skin Reverse summer damage and look fresh & young all fall. Drop Fat for Good 10 tips to gain a better physique, mood, and sex life. Crazy Obliques 7 moves for a tapered waistline. Gun Show Six exercises to blow up your biceps.