This workout is not for the faint of heart. We don't recommend you do it.

You will need a 70lb dumbbell.

THE 770
Complete 7 Rounds of
Bear Crawl with DB - 70 yds
Suitcase Carry with DB - 70 yds
Walking Lunges with DB - 70 yds
Run - 0.70 mile

Your goal is less than 1.5 hours.

That's it! You're done.
Good luck!

Track your time, and share your scores in the comments. Crush your limits and join us for this ultimate fitness challenge. Get it done MTNTOUGH.

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What is MTNTOUGH Fitness?

MTNTOUGH is The #1 Fitness App Trusted By The Dedicated
Our premier functional fitness programming is conveniently packaged for hunters, first responders, military, and mountain athletes. Train at home, at the gym, or on the go.
Since 2016, MTNTOUGH has been dedicated to helping individuals achieve their personal goals by creating a foundation for physical and mental toughness. The brand’s best-in-class programs are developed, tested, and proven by former Navy SEALs, Army Rangers, and renowned physical trainers. MTNTOUGH+ programs are used by elite groups and operators, including special ops forces, wildland firefighters, backcountry hunters, professional mountain athletes, and more. The MTNTOUGH fitness lab is headquartered in Bozeman, Montana, surrounded by some of the world’s top mountain