Sensei Ludwig leads with character, discipline, and a positive attitude in each class. You train…read morewith great talent and everyone is accommodating to all skill levels. Ive been to a number of gyms and this is by far the best, most structured establishment Ive had the pleasure of visiting thus far.

Sensi Ludwig has been incredibly patient and kind with me as a student. He brings the knowledge and…read morepracticality of a professional fighter, mixed with the wisdom and empathy of a coach. I have seen people here both push, and encourage each other in exceptional ways. As someone who has trained at various gyms for around 20 years I highly recommend this dojo.

Good people. Good training. Loving the rolls and getting good sparring in. They got a very good…read morekids program aswell.

Steven and Kat know how to kick your but and make you laugh while they're doing it. It's so much…read morefun working out with them and my body feels so much tighter after just a few sessions. This is a hidden gem in Denver!

I've been an active member for around a year and can vouch for Empower 100%. Both the…read moretrainers/members create a judgement free environment. Then once you're comfortable, they constantly push you to become better. For me, this carried over to my overall physical/mental health, including losing several inches off my waist. They have all types of classes: beginner, all levels, conditioning, intermediate, sparring, and 1 on 1s. If you're getting into boxing, this gym has everything going for it and am grateful to have found it. The instructors make it!

This gym is brand new and you can see the growing pains, but there is so much potential for it to…read morebe amazing! Amberle is a high energy, motivating coach that will teach you technique from the ground up, all while giving you a serious workout. If you have never boxed before or have been boxing for years, this is the place in the neighborhood to get your fix. Do not worry about being intimidated by a gym strictly for people training to compete, this is a welcoming space to get yourself in shape while punching your stress away.

Before I joined Grinders about 3 years ago I was bored and about to give up on my workouts…read more Grinders has THE BEST trainers, my fellow Grinders are family and the workouts are never the same but very effective always keeping me on my toes and my body sore(in a good way). There are many class times to choose from every day of the week so there is no reason not to make it in. Hands down the best decision I have ever made is to join Grinders and continue my membership. I look forward to class everyday and always feel so good when I leave! I highly recommend you coming in to try a free class. I am in the best shape of my life. You will not regret it!

I came to to Westminster, CO for a couple months of training and I was looking for MMA gym. I am…read morebeyond happy I step into Grinders Fitness. The coaches are motivating, respectful and genuine good people. They made me feel like family the moment I walked in the door. I would highly recommend this place to anyone at any level.

I didn't know this place was a night club.They frequently opened their front door and blast the…read moremost obnoxious music across the arvadas square.I usually go to the german bakery, but now i'm fearful.Because 303 will be blasting techno music at the highest levels.You can hear at four blocks away.UnbelievableI believe this business is a bane on arvada. I would like to see it closed. Why is it a techno e d m concert venue that blasts music at eight hundred decibels... They should change the name to 303 nightclub... That blasts the town square good grief

If I could give ten stars I would. This gym has changed my family for the better. Coach Eric has…read morequickly 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. You will find personal growth, development and fulfillment here.

My daughter and I started the TacTecs class about 8 months ago. We had no martial arts training…read more It has been awesome. I can't tell you how great this martial arts family has been. We are learning in a serious but fun atmosphere. If you ever thought you might do something like this, do it! They accommodate all sorts of learning levels and physical abilities.

My daughter and I started the TacTecs self-defense class 6 months ago. We love it! Neither of us…read morehave done martial arts. All the senseis are amazing! They are patient, extremely talented, good at instructing, and a joy to be around. We are learning life-long skills with the wisdom of when to use them. We have also done the cardio kickboxing class and enjoy that as well. If you want some structure without extreme formality to truly learn skills and wisdom, this is the spot for you.

Excellent coaching with top level technique being shown. Many pro fighters but the classes are for…read moreeveryone on regardless skill level. A must visit place.

I'm in the best shape I've ever been in my life thanks to Genesis! Not only am I now in shape but…read moreI've also learned how to defend myself. I get compliments every week and how much weight I've lost and the shape I'm in! The trainers really know what they're doing and are friendly and motivating! I would highly recommend this gym to anybody!

Completed the 6 week. Holy cow was it fun and hard. Sara was amazing coach and glad she helped me…read moreout. She is so sweet and a crazy badass kickboxer. Had a couple mental issues with the food but got there. And every time I freaked out, Sara was so sweet that she helped me get back on track. Takes a lot of commitment. The kickboxing was fun and made you excited for the next class. The food was my toughest challenge. I'm not sure how I did it, but I succeeded My body is almost where I want it, so with all the new things I learned I'm very confident I'm gonna get there. Kickboxing is such a cool skill to lean. I feel mentally and physically stronger. I also learn self discipline and new healthy habits. My new goal is now is keep this going. I highly recommend this place. Yes, this messed with my mental state a couple of times but now happier in general. I feel much more confident and excited to workout. I feel so much better about my body. Plus, my posture is better and I'm walking tall. So if you are someone who wants to get back into working out and but don't know how to get there. This place is perfect to help you there. The coaches are all amazing and will assist you in achieving your goals

Love it here!! Awesome staff and coaches! They make the community so welcoming and motivating!!The…read moreclasses are amazing! I always leave sweating and smiling! This gym I my new home!! Saved my life! I will continue to come back and workout here!! 100/ 10 recommend!

I'm so glad I found my workout home in FLY! FLY offers a great mix of different classes from…read morebeginner to advanced, and all the instructors are so friendly and make it a point to get to know you and coach you during the group classes. There are classes during the day, night and weekends that you can cater to your schedule. I started going to FLY just a few months ago and knew nothing about it kickboxing. I already feel like I'm getting the hang of it and better at it! Their boxing bags have sensors that measure your impacts which make it easy to track your progress throughout each class. To get started, simply book a class and show up! You can purchase boxing wraps from them and borrow gloves for your workout. They're also located conveniently at Stanley marketplace meaning you can go pick up some food right after your workout :)

LOVE Fly and the team....easy and fun for any level. also good for nice shoulders Highly recommend…read morefor any age!

So I have going to Adventure Fitness regularly for the last few years. It is a small locally owned…read moreshop that has nearly everything you could imagine - all the standard stuff - free weights, bench and squat racks, various bikes types, elliptical, row, stairclimber, along with specialized machine weights for every muscle group but they also have some unique items - jacobs ladder, climbing wall, cryotherapy machine, kick-boxing/punching bags and so much more you just have to check them out.

This gym is a hidden gem. It honestly has more equipment than a lot of the big name gyms. The owner…read moreis very friendly and makes sure you are feeling comfortable. She also makes sure no details are forgotten, from the hair ties, toiletries, water massage bed, vibration plates, massage guns, and everything else you'd need to be successful at the gym. I am so glad we found this place.