303 Training Center
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303 Training Center
Through this course, students have the opportunity to push their skills, techniques and confidence to a new level in a fun, dynamic way. Contact us today to learn more about each of our course offerings. This course has been highly regarded by countless students throughout the years, and has provided the perfect foundation to enter the next level of learning.

Get in touch with questions or to learn more. Since our founding in 2010, the 303 TRAINING CENTER has had the opportunity to help countless students acquire not only foundational skills, but also achieve some long-life goals. Known as the best Martial Arts School in the Westminster area, we provide a wide range of courses to support students from all backgrounds and levels.
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I have been training at 303 for about 6 years and have never had any desire to look anywhere else. They've always been fair with me. The gym attracts humble, good hearted people and the instruction has always helped me grow. Its a great business with great people in it. I highly recommend it to anyone looking for a place to train.
Reviews (5)
Devon T.
Devon T.
Sep 29, 2021
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If I could give ten stars I would. This gym has changed my family for the better. Coach Eric has quickly become my toddlers best friend and a trusted mentor. The staff teaches so much. The life lessons learned here are invaluable. I took my first class tonight while my teen took her class. This is a family more than anything else. They cheer you on, stand by you and show up for you. I can't possibly express how much the staff is committed to their students. They go above and beyond...EVERY. SINGLE. DAY.
I whole heartedly endorse 303 Training Center for all age groups and all skill levels
Adam G.
Adam G.
Oct 11, 2019
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Yeah when they first opened they were awesome, but every year we stayed more and more stuff came out behind the scenes. Especially after taking in a UFC Fighter its all about that. They promote people who have money and Staff over the common Joe. The Coaches rarely Coach the Students in Tournament's and the last one we did out of town the Owner said (he didn't Ciach the Adults because he felt the wouldn't do well).
Dustin H.
Dustin H.
Jun 06, 2017
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If I had one word to describe 303 Training Center it would be, family. From the moment we brought my 6 year old daughter in for her first class the professors, coaches, and staff were extremely welcoming. They are very easy going and we did not ever feel pressured into continuing classes. They are honest and admit it might not be for everyone. However if you enjoy a friendly learning environment where ego is left at the door, this is the place to come and learn. They have had multiple ufc fighters come to train and the amount of class times allows for anyone to find a schedule to work for them
Jason O.
Jason O.
Oct 11, 2016
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This place truly is the best in Denver for Jiu Jitsu. Don't take my word for it. Go on in, try it, and ask the people there. It will be an overwhelming "yes it is the best." There is a lot of experience there from people just starting to those that have been doing it for years and years. I've been here for four years now, my daughter almost 2, and my wife is now starting. The kids program is outstanding. The coaches know how to teach them and the kids have a blast while learning. I can't say enough about 303. Love it!
Lola L.
Lola L.
Apr 14, 2012
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Seriously, 5 stars doesn't do this place justice.

Dearest Yelp-er, if you're reading this review, you might be curious about the facility and wondering if 303 Training Center is right for you or your kids. And if you have even an inkling of curiosity, then run, don't walk, to check it out.

You'll find that this isn't just a gym - it's a community. That's a direct result of the unparalleled professionalism, generosity, and skill of the coaches and professors.

I've been to a lot of gyms, fitness centers, MMA classes, and self-defense workshops. So