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 Get Away 8 vacations that will seriously spice up your sex life. Met Gala Girls Photos of 40 gorgeous ladies from last night's event. 25 Easy Recipes Healthy breakfasts, lunches, dinners, and desserts to try. Natural Supps 4 alternatives to your typical chews, goos, and powders.