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STAC Fitness NSCA, AAFP, NSPA, IYCA logo logo
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STAC Fitness NSCA, AAFP, NSPA, IYCA

304 Inverness Way S, Englewood, CO 80112, USA

(13)
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‘21 Certificate of Excellence, 2021

About

Your training will take place in a Non-Membership Personal Training Facility. We are the alternative to the Megalithic Box style Health Clubs. No contracts, No monthly fees. Just personalized Fitness Training Services designed for your specific needs.

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11 hour response time

Reviews (13)

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5/5

13 customer reviews

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5 May 2025

Working with Richard at STAC Firness was one of the best things I ever did. I worked with him for over 15 years. He helped me to reach fitness goals while being in tune with the limitations of my body and some injuries. He pushed me to get through workouts I didn’t think I could do. Richard is also great with all ages. At different times over those 15 years he worked with my children and my 89 year old father. Richard’s expertise on fitness is exceptional. If you have the chance to work with Richard, do it. You will never regret it. More...

29 April 2025

Richard was amazing! The workout pushed me just to the right point. I felt like I had accomplished something pretty great! ! His encouragement and positivity was on point. I recommend Richard for anyone needing a change or a fresh start in their workout routine. More...

28 April 2025

Great trainer and work ethic! Never a repetitive workout! Always fresh

28 April 2025

Rich is an excellent personal trainer who works with you to meet your goals and mixes up his training so that you continue to challenge yourself. He also is a very active listener and encourages you throughout the process so that you continue to build self-confidence. I highly recommend STAC Fitness to meet your personal trainer needs! More...

28 April 2025

5 stars for sure. When I started training for hockey I needed more personal lined workouts. Richard did reasarch about my sport and the specific muscles to help me grow. After this I saw a huge improvement on abilities that I was lacking earlier. The workouts are hard and I was sore for sure, but it helped me improve a lot to be in my best physical shape ever. More...

28 April 2025

No better trainer than Richard! He helped me loose 75lbs from having my kids. I’ve never felt stronger, healthier, and happier then when I worked with him.

28 April 2025

Trained with Richard for over 20 years. Enough said

2 April 2020

I have known Richard now for over 20 years. There aren't many trainers who can hold a candle to how on point, thoughtful and knowledgable about fitness, nutrition and how it fits into your lifestyle. I guarantee you will not ever meet someone who can whip you into shape like this guy! More...

2 April 2020

This is a great place to work out. Its is a small and private setting. Richard is professional, talented and incredible creative. Every work out is different, he pushes to the limit. More...

2 April 2020

Hands down, Richard is the best boxing trainer in Denver. If you want an authentic boxing drills workout, work with Richard. He is the real deal and a great person too. The gym is maintained meticulously and Richard intersperses the boxing drills with his first rate gym equipment and his own creative methods. You will get in shape! More...

2 April 2020

I have been training with RICHARD
Personally for close to ten years
He is well versed and very professional as well as personal
Hi is grate to work with I will not
Hesitate to recommend him
More...

1 April 2020

The toughest, but the best in training! All the necessary equipment to accomplish any training goal and more personal service compared with the large franchise gyms. STAC has multiple trainers with different styles to help fit your workout needs and Richard (owner) has tons of food/meal recommendations through social media sites. I have trained with Richard in kick boxing and general fitness for a total of 4-5 years. He has many regular clients for more than a decade! The motto: "The timid need not apply" so plan on working hard! I love my gym, and I am a regular! More...

1 April 2020

I have been coming to Stac and training with Richard Ruiz for over a decade now, and I still keep coming back. He is the best at what he does, to get you in shape. I get my butt kicked every single time I go, whatever is Cardio, Lifting or Boxing. I always leave my session exhausted but feeling accomplished. Also all my kids and including my wife go to Stac and train with Richard. I highly recommend. More...

Q&As

It's all about motivation, accountability and guidance. I have to bring my "A" game to my clients every day in all these facets.

No secrets. Hard work, discipline and consistency, there are no short cuts. You'll always have total control of 2 things, Attitude and effort.

It doesn't get better than seeing people attaining their goals, and having an increased sense of confidence in the gym and in their personal lives.

I really wanted to run my own business as I saw fit to do. And make the client my utmost concern, not membership contracts and dues.

No nonsense HARD WORK, You will leave it all in the gym. The combination of Experience, Knowledge, Track Record and Mental Approach. In my opinion adds up to a successful combination towards helping you achieve your goals.

I can absolutely provide services remotely for those that are quite a distance from my location. And for those that would rather train at home because of personal reasons.

We share as much guideline information as we can with clients. All equipment is sanitized prior and after use. Masks are also available for all that need them.

Services

Personal Fitness Training,
Sport Specific Workout,
Corporate Wellness Boot Camps, Boxing For Fitness, Strength and Conditioning, High School and Youth Sports Conditioning.