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Train Like the World’s Toughest Mudder

Junyong Pak, two-time winner of the world’s most badass obstacle course race, reveals how he stays fit for the challenge.

MF: Speaking of nutrition: you’re lean, mean muscle. What do you eat to keep your endurance up?

JP: I’ve never been much of a stickler for diet, but when I got to a point where I was pushing my limits to the absolute max, I realized nutrition was important. And when I did start focusing on my diet, I definitely noticed improvements in recovery. I have a lot of protein immediately after I run—BSN Syntha-6 in strawberry tastes just like a milkshake—and I often mix it up before I head out and slam it before I finish. I also regularly use three things from Boku Superfood: their protein, energy bars, and super-fuel. I find it extremely important to take this in immediately after I work out.

MF: Any vitamins or supplements?

JP: I typically take a multivitamin, B-complex, C, D, echinacea, gingko biloba, ginseng, and glucosamine chondroitin, which helps to reduce joint wear and tear.

MF: You’re burning through calories at an immense rate during the race. What did you use keep yourself going?

JP: I want to say I consumed 11,000 calories during the race—not counting stops before and after. I started off the first third of the race on PowerBar gels and canned peaches—foods high in fructose and glucose—and had no caffeine for the first six to eight hours. Then, as I transitioned further into the race, I started taking some protein, super-fuel, and caffeine. My diet was really simple for everything—and it worked.



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