STAC Fitness Center

Englewood, CO

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About this pro

Your training will take place in a nonmembership personal training facility. You only pay for your services and personal training.

STAC Fitness has been featured on 9News, ABC, Fox Morning Show and The Denver Post. Please view client testimonials, videos and media coverage on our site.

As a personal trainer, my workout regimens have been featured in Vogue, Fitness magazine, Bridal Guide, Good Housekeeping, Food Channel, Latina magazine, Diets In, Denver Post, Colorado Spring's Gazette, Mile High Sports magazine, Cherry Creek Inside magazine, Denver Edition Your health,, 24/7 News, Denver Post and 9News.

STAC Fitness is proud to announce that it has been voted as the number one personal training service by Channel 7 Denver's A-List Awards.

At STAC, we believe the only easy day was yesterday. We are committed to your success in fitness and in life.

Richard A. Ruiz


Englewood, CO 80111

Years in business


Times hired on Thumbtack



11 Reviews
  • Nicole F. Oct 22, 2014
    Personal Training
    Verified Review
    Richard was professional and extremely responsive with setting up a personal workout routine for my daughter who is visiting from Europe. After a couple of emails and a phone call Richard had her two week personal training session planned!
  • Amy H. Jan 3, 2013
    I have trained with Richard for 9 years. He customizes each workout to fit your goals and ability and pushes you each time to reach your maximum potential. After a few weeks of two 30-minute sessions I see results. People always comment on my good looking arms--I've got definition! Each session I do combines boxing and strength training, both of which have improved muscles definition, core power strength and helped me lose inches. Richard makes each workout tough but you it goes by fast because each one is different and challenging. I particularly enjoy the boxing because it's a fun way to relieve stress (yoga can only do so much), and it makes you feel tough and in charge! Plus, I feel safer knowing I can land a tough left hook.
  • Jamie D. Jan 3, 2013
  • Casey F. Dec 31, 2012
    I have been training with Richard for about 5 years. He is extremely knowledgeable and hard working. The training sessions are relatively short but intense which is critical.
  • Joe N. Dec 31, 2012
    Rich trained my 14 year old to prepare for Freshman football. Rich was excellent, pushing him hard while keeping him focused and motivated to give it his all and keep with the program over the 3 mionth period. Results were excellent with increased strength, endurance and agility
  • Betsy H. Dec 31, 2012
    STAC fitness is outstanding. The equipment is top notch, the gym is well maintained, and it is always a pleasant experience working out at STAC with Richard and Chris.
  • Julie B. Dec 31, 2012
    Hardest work out. Good training! Worth your money!
  • George S. Dec 31, 2012
    From day one, Richard has always pushed our son to do more than the minimum. Our son was required to keep a log of his lifting progress and bring it to every workout. By doing this, there was ownership in the workouts and our son was able to see his own improvements. The level of confidence that Richard help build, enabled our son to go into his Freshman year of high school playing the game he loves, and continue his level of academic achievements. Every minute of the workout time was focused on goals and expectations were always set high. We always got more than we expected! Thank You!
  • Cheri M. Dec 30, 2012
    I work with Christine Herr at STAC Fitness and love her! I am in my 50's and haven't worked out much in the last few years...she has done a great job getting me back in shape! I highly recommend Chris for any fitness level.
  • Mike K. Dec 29, 2012
  • Kala B. Dec 28, 2012
    Christine Herr is amazing! I love going to her bootcamp classes becuase you get the one on one attention that you just can't get in other classes. Plus, she kicks my butt every time and the results are so worth it! Thanks Chris!!