My Editor Harry, the real Iron Man

Harry's words "It was pretty amazing. About 11 miles, 25 obstacles. It's designed by British special forces. I totally recommend it. As for training, I'd say cardio & basic weight training. It's impossible to target every muscle used, so focus on major muscle groups: back, chest, legs, arms. Compound movements will work the smaller muscles too. Honestly, it's psychologically much more challenging