680 Atchison Way Suite 300-400, Castle Rock, Colorado 80109

Engaging the Denver Metro Area in Brazilian Jiu Jitsu and Fitness

Helping People of All Ages in Castle Rock Get Fit and Have Fun

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Brazilian Jiu Jitsu near Castle Rock

BJJ All Level

Through our renowned Brazilian Jiu-Jitsu system, we'll help you gain robust fitness and learn powerful self-defense skills. From competition to casual practice, we are your source for authentic Jiu-Jitsu training here in Castle Rock.

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Brazilian Jiu Jitsu near Castle Rock

Intermediate BJJ

Our Jiu-jitsu classes offer a dynamic take on ground-based self-defense with a focus on maintaining control over an opponent of any size. We are proud to work with all ages and abilities, meeting the needs of everyone in Castle Rock.

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Brazilian Jiu Jitsu near Castle Rock

Basics and Fundamentals BJJ

Get started on your Jiu-Jitsu journey with Introductory Jiu-Jitsu classes at Bom Jitsu in Castle Rock! We teach all of the basic forms and skills that you need to succeed later on in your training in a way that anyone can pick up easily. Learn more today!

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Take on the best ground fighting system in town with our Brazilian Jiu Jitsu Classes in Castle Rock. This No-Gi program is perfect for adults of all skill levels, helping you master every technique and get in great shape fast!

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BJJ Little Roller's (Ages 5-8)

Treat your child to the best Kids Martial Arts Classes in Castle Rock with our exciting Brazilian Jiu Jitsu program. We work with students of all ages and abilities, helping them build confidence, strength, and more!

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BJJ Youth (Ages 9-15)

Jiu Jitsu is one of the fastest-growing forms of martial arts, and our Youth Jiu Jitsu classes offer your teen the most advanced training available in Castle Rock. In addition to preparing teens with high-level techniques, we also help them grow skills which will serve them outside the gym.

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Brazilian Jiu Jitsu near Castle Rock

Homeschool BJJ

Our Homeschool Program is dedicated to creating an environment where homeschooled children around Lexington can thrive, get active, and interact with other children from similar households.

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Will Holzapfel

Professor Gigi is an excellent coach, and provides top level instruction that will benefit both the beginner and the advanced practitioner. His style and passion he has for his students sets him apart...

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Jarrod Gibson

My kids and myself have been training at this awesome facility and love it!! No matter if you are a beginner or advanced, Mike and Gigi work with you to achieve the best techniques. Fun family style a...

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Carrie Leonardini

I started training in February with this group of amazing men and women. It’s been a place where I have learned , grown and felt like family. The knowledge and communication of professor Gui Gui...

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Timothy Gillette

I've trained with both Mike and GuiGui for the last 6 months. Their gym is very welcoming and the training is great. GuiGui brings an energy that keeps classes fun and pushes you to continually improv...

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Sam Park

From the moment I first walked in, I knew this place was for me. Mike and Gigi were incredibly friendly and welcoming, as were the other students. Everyone greeted me with a genuine smile and were so ...

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Luke Rassmussen

I have trained with Mike and Gigi for years. Great people, excellent training and family friendly atmosphere. Highly recommended....

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Bom Jitsu Brings Brazilian Jiu Jitsu and Fitness to Castle Rock

Bom means GOOD in Brazilian Portuguese. At Bom Jitsu our GOAL is to engage the community of Castle Rock and the Denver Metro area with a good to great approach to jiu jitsu training. As a GF Team Affiliate our approach builds on the foundation laid by GF Team and incorporates not only physical growth but helps build the mental, emotional and spiritual pillars of human growth.

As a GF Team affiliate you will have access to world champion jiu jitsu practitioners and access to affiliate academies around the world.

Bom Jitsu a veteran-owned and operated business, providing gym memberships to individuals and families to facilitate fitness and well-being to the community of Castle Rock and the surrounding area. Fitness will be accomplished through multiple fitness disciplines, including but not limited to weight training, functional movements, running, tension bands and other fitness disciplines for improved health, weight loss and increased physical performance.

In addition, Bom Jitsu is an authorized distributor and acts as a retail supplier for Origin Maine fitness supplements, Jocko Products Discipline Go Energy Drinks, Monkey Tape sports tape and other fitness related apparel and accessories.

Whether you've practiced before or you're completely new to Brazilian Jiu Jitsu, we have a class for you! Get started in our Jiu Jitsu 101 class and get a full instructional course with the foundational tools you need, dive into our Fundamentals class to strengthen your BJJ core, or immerse yourself in the full curriculum of our Gi or No-Gi classes - whatever class you choose, you can't go wrong! Plus, we offer Kids Jiu Jitsu classes and Teen Jiu Jitsu classes to get the whole family involved and keep everyone practicing with someone their own size and level of skill. You learn best when your opponent is as good as you are!

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Why Bom Jitsu?

We're Family Friendly, Detail Oriented, Engaged in Our Community, Offer a Team Environment, and Veteran Owned & Operated. Plus, You Get to Experience All The Great Benefits of Training in Brazilian Jiu Jitsu!

  • Self-Confidence


    By training in martial arts, you'll develop unwavering confidence and heightened self-esteem. Brazilian Jiu Jitsu will give you the opportunity to live fearlessly, here in Castle Rock or wherever life takes you.

  • Discipline


    Mastering each new technique and journeying from white belt to black belt requires perseverance and self-control, and the lessons you learn with us at Bom Jitsu will make a difference in all aspects of life. 

  • Self-Defense


    The martial arts will prepare you to defend yourself in an emergency situation, both by giving you the fitness and techniques you'll need, but also by expanding your ability to recognize a dangerous situation.

  • Community


    When you train with us here at Bom Jitsu, you're getting more than just martial arts lessons. You're connecting with our community and meeting lifelong friends and mentors. 

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