Relson Gracie Jiu Jitsu
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These classes include our 27 lesson rotating Fundamentals curriculum, Competition classes, NoGi classes, and fitness training. Our youth program is focused on discipline, confidence, self-defense, respect, integrity, healthy habits, and of course, having tons of fun. Thanks for taking the time to check us out and see if we're the right fit for you and the people in your life.

If you are interested in learning true Gracie Brazilian Jiu-Jitsu, you've come to the right place. We're a family-friendly school that thrives on working together to grow and expand ourselves in new ways. We're a team that supports each other on and off the mats. We are an awesome community! Katharo Jiu Jitsu is for everyone.
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We operate with a high level of integrity. Katharo Training Center is a professional Jiu Jitsu academy run by world class instructors. You will be someone who is powerfully living life through mastering the art of Brazilian Jiu Jitsu. If you're still not sure, that's OK too! Don't hesitate to get in touch - we're happy to address any and all questions or concerns.
I have the profound privilege of being able to offer and share the gift of Gracie Jiu-Jitsu. I am a stand that everyone in the world gets this Martial Art in their life. It is truly transformational and brings about a higher quality of life for everyone. Let me tell you a little about myself so that you can get to know me better.
We offer locker rooms with showers, private bathrooms, and a steam room in each of the spaces. We host an attendance card tracking system, which allows you to be able to track your attendance and workouts along your journey. We have a "Kids Zone" that is a matted room for your children to hang out in after their class.
Jiu-Jitsu is a Japanese martial art and a method of close combat, used for defeating an opponent. The word "Jiu-Jitsu" can be translated to mean "the gentle art." Because striking against an armored opponent proves to be ineffective, practitioners learned that the most efficient methods for neutralizing an enemy comes in the form of pins, joint locks, and throws.
The adult program is taught by Katharo black belts and are super fun with lots of energy. We teach from a weekly curriculum developed by head instructor Professor Steve Hordinski, III. The Little Griffin program is designed for ages 4-6 year olds. In these classes we stress fine and gross motor skills through gripping, balance, and movement.
Reviews (10)
Anthony Miller
Anthony Miller
Jun 27, 2020
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Very friendly instructors. Good mix of newer and long time students, so thats a great sign. Awesome energy. Clean studio. Juat started the trial but will be signing up both my kids. They really enjoyed it.
Mark Armbruster D. C.
Mark Armbruster D. C.
Sep 16, 2019
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I loved training there. It was unfortunate that I moved too far away. I have trained in many places all over the world, Professor Steve teaches more than just technique. He teaches and shares the philosophy from a black belt perspective, the angles, pressure, frames that most high-level Brazilian jiu-jitsu practitioners utilize. It is one of the most solid fundamental programs that also includes street self-defense. If you or your kids are looking for a place to train I'd highly recommend checking out Katharo Training Center. Very profession, clean with locker rooms that have showers. Lots of fun
Ronin A.
Ronin A.
Jun 08, 2019
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The instructors are fantastic, humble, and willing to help and answer questions. The facility is excellent; in addition to the large mat for classes, there are smaller rooms for instruction and there's a substantial fitness area for crossfit and focus-based physical training, including an outside space for flipping tires---my favorite! Good atmosphere for families.
Liz Renteria
Liz Renteria
Dec 10, 2017
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We love Katharo! My son and husband have been training at Katharo for five years and I’ve been involved in the K Fit fitness classes. The Jiu-Jitsu classes helped my son develop confidence, focus and a competitive edge. All the professors, coaches and instructors are professional, patient and kind. Garett and Derek, the fitness coaches, helped me lose 40 lbs, I hit a plateau, they continued to encourage me, and now I am back on track, losing weight and getting in shape. They customize and modify workouts to fit my needs and have helped me with meal planning as well. Professor Steve and his wife
Nick Valdez
Nick Valdez
Nov 08, 2017
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Katharo is a phenomenal jiu-jitsu gym. The instructors are great, and Steve is world class. They have classes for all ages, and encourage a family atmosphere. There's also K-Fit classes to help anyone wanting to get in better physical condition as well. Even if you already do jiu-jitsu come check it out. There are open mat times every week.
D. Kim
D. Kim
Oct 27, 2017
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This place is AMAZING!
Probably the cleanest BJJ gym you will ever go to. Not to mention an amazing staff combined with a solid lineage (Gracie). There are plenty of different body types and each belt color has a good amount of training partners.
It is extremely family friendly but also some killer competitors who are super nice.
There is a solid curriculum for whatever your goal is.
The ego is low and the skills are high.
Seriously, check it out and be impressed.
Brean Small
Brean Small
Oct 09, 2017
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Jenifer, Steve, and the Entire Team at Katharo Training Center are AMAZING! If you are looking for a Five Star Jiu Jitsu and Fitness Facility... this is your place. Once every month they host a FREE, FUN, FAMILY- Friendly Women's Self Defense Class as their way of giving back to our awesome community. They graciously let us invite our neighborhood ladies and daughters in May and hosted a spectacular Mother Daughter Self Defense Class on Mothers Day! A wonderful training facility filled with wonderful people.
R. M.
R. M.
Sep 25, 2017
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I have been studying Jiu-jitsu for just over 15 years, the past 4 years at Katharo Training Center. In these 15 years I have trained and/or visited 6 different jiu-jitsu gyms in the Denver area. Katharo Training Center is by far the best of all the gyms I have known over the years. The instruction is very professional and extremely well organized, with classes and programs every day and most days nearly all day long. Concepts are taught in a logical sequence. Katharo instructors are both knowledgeable (many of which are black belt) and skilled in teaching. It is obvious that they love the sport
Megan Bussey
Megan Bussey
Jul 14, 2017
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My husband and son have been training jiu jitsu at this academy for 3 years and I have been taking the K Fit classes for close to 2 years. Both of my daughters have taken jiu jitsu classes and participate in the K Fit classes. They also attend the women’s self defense seminar that is offered once a month. Steve and Jen along with the K Fit trainers as well as the other members of the gym have become our family. The instructors are so knowledgeable and friendly. I highly recommend both the jiu jitsu program for kids and adults and the K Fit classes for all of your fitness needs! There is no family
Kyle Robertson
Kyle Robertson
Aug 04, 2016
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AWESOME! I started as a complete newby to Jui Jitsu and Katharo Training center was the best choice I could have made for training. I went to numerous other places before finally deciding on Katharo. Each place had their pro and cons but Katharo had only pros. Out of all the places I did my "free class," Katharo was by far the best. They have more experience in their staff and students than all other gyms (many black belts and brown belts). Along with experienced staff and students, they also had quite a few white belts, which made it easier to be the new, inexperienced guy. The facility is large