Big Muddy CrossFit


Ready to Join the Fun?


Crossfit in Bismarck, ND

Looking for a CrossFit gym in Bismarck, ND? You’ve come to the right place! Big Muddy CrossFit is Bismarck, North Dakota’s premier CrossFit affiliate offering diverse, challenging, fun, and communal workouts. Come see what it means to “Challenge Life”. Our programs are tailored to improve your health, nutrition, strength, mobility, and overall performance. It’s not easy but if you’re looking for self improvement then we welcome you with open arms. Join us!


Experience a personalized training environment unlike any other. Our programs are tailored to improve your health, nutrition, strength, mobility, and overall performance. The Workout of the Day (WODs) are posted each morning and are completed a designated times throughout the day. Each workout is easily modified to accommodate all levels of strength and ability.


CrossFit Kids program teaches children to love fitness by making fitness fun and accessible. They learn proper form and mechanics of functional and athletic movements in classes that are new each day. So much fun, they never want to leave!


Have fun, make new friends, and challenge life! You’ll quickly discover how a genuine and positive community can help you smash your goals.

WHAT IS CROSSFIT?  CrossFit is a form of high intensity interval training (HIIT) that blends both strength and conditioning exercises with an emphasis on functional movement. Each CrossFit workout of the day (WOD) will improve your health, strength, and endurance. 


Barbell class is designed for every level to get better at the two Olympic lifts. These classes are smaller, led by our USA Weightlifting certified coaches. Come give this class a try and work on those weaknesses while improving your strengths!


Big Muddy CrossFit is here to help you smash your goals. Our programs are tailored to improve your performance, nutrition, strength, mobility, and overall health. Beyond our CrossFit programing we offer Nutrition Coaching, Yoga Classes, and specialized support through Empowered Mamas. Life is full of challenges and we’ll be right there with you to challenge life.


The mission of Big Muddy Crossfit is to deliver world class fitness in a fun community setting. Our goal is to teach people to move better through practice; to use novelty and intensity to create a fun environment of constant progress; and to cultivate highly educated coaches.

As a veteran-owned business, we will help you uncover your secret weapon – your own body. We’ll work with your strengths and help overcome weaknesses so you can experience a well-rounded life with no limits. We listen to your fitness goals and personalize your training plan. Our dedicated and well trained team of coaches will help you accomplish things you never thought possible.

Whether you are looking to start a fitness program or are a well-established athlete, we will help you optimize your potential.

You will soon discover that Big Muddy CrossFit is more than a gym, it is a community of like-minded individuals who strive to challenge life each day.


Community – You will be surrounded by a community of like minded people holding you accountable, supporting your journey, and celebrating your successes.

Integrity – The commitment to be honest, ethical, and fair in everything we do…even when no one is watching.

Dedication – Our staff is dedicated to providing you the most effective workout experience possible.
Lead by example – Our team eats, sleeps, lives, and breathes CrossFit. We will not ask you to do anything we have not done ourselves.

Virtuosity – This is a critical component of CrossFit. It means doing the common uncommonly well.

Fun – What if fitness was truly enjoyable? Believe it or not, working hard to achieve your goals can be incredibly fun. We pride ourselves on cultivating an environment that you will enjoy. When you have a good time it becomes easy to walk through the door the next day and do it again.


“Love the coaches and atmosphere here! Everyone is so welcoming and the focus on good form and technique before anything else is one I really appreciate. I also like how many classes are offered each day, so I can almost always find a time to work out.”
Christine B.

“I started coming here because my coworker kept trying to get me to go. Wanting to try something new, I decided to give it a shot. The entire coaching staff is amazing and knowledgeable. All the people who go are welcoming and fun. It truly is a community that not only pushes and supports you to do your best at the gym but also at everything you do outside of it. Joining Big Muddy has without a doubt been one of the best decisions of my life. Give it a shot, stop in, you won’t be disappointed.”
Jason L.

“I began my CrossFit journey 3 years ago, and it has been one of the best experience of my life. I have learned a lot about proper form, technique, and being part of a community. Big Muddy Crossfit has an outstanding group of qualified coaches and wonderful owners. I start everyday working out, laughing, learning, and sometimes even dancing with the most amazing group of people.”

Karmen W

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Our #1 goal is to help you achieve yours -so drop us a line already!


(701) 989-5877

1200 Industrial Dr Suite 2, Bismarck, ND 58501