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Denver/Boulder Strength Training

The best strength training studios in Denver/Boulder

Whether you’re chasing mountain-ready strength or looking for a welcoming studio to start your lifting journey, the Denver/Boulder area delivers. We looked at hundreds of reviews across dozens of studios to find where the best strength training experiences happen along the Front Range. From unique Pilates-inspired resistance training in Denver to high-energy bootcamps in the suburbs, these are the top-rated strength training studios on ClassPass right now.

Studios were selected based on review volume, average rating, and consistency of positive feedback from the ClassPass community.

1. Artistic Body Development – 1 hour Myopatterning

Artistic Body Development is the crown jewel of Denver’s strength training scene. With 283 reviews and a remarkable 4.99 average rating, this studio has built one of the most dedicated communities on ClassPass. Their signature Myopatterning class blends reformer-based resistance work with targeted muscle engagement, creating a strength experience that’s unlike anything else in the area. Reviewers consistently praise the hands-on instruction and the warm, inclusive atmosphere that keeps members coming back for years.

“Favorite place on ClassPass! I’ve been going to this studio for over a year now. It has been a life changer for me. The instructors are incredibly kind human beings, the studio has the best homey feeling, and amazing classes every time!”

“Great workout that hit muscles I don’t normally work. The instructor made sure I was able to use the equipment. Accessible for all fitness levels. The group was friendly and diverse.”

“I was so shocked that most of the people in the class had been coming for years and some even decades. Loved seeing the community this studio has built in Denver.”

Rating: 4.99 (283 reviews)

2. Absolutely Fit at N’Tense – Boot Camp

Absolutely Fit at N’Tense brings high-energy bootcamp-style strength training with an infectious sense of community. Holding a 4.94 rating across 111 reviews, this studio has earned a reputation for classes that are both challenging and genuinely fun. The coaching staff creates an environment where you’ll push yourself harder than you thought possible while feeling supported every step of the way.

“Loved the class and the energy around it! Highly recommend.”

Rating: 4.94 (111 reviews)

3. Palango! Fitness – Palango Sculpts / Fuerza Strength Training

Palango! Fitness brings a vibrant, motivating approach to strength training. Their Fuerza Strength Training class holds a 4.93 rating across 54 reviews, with members highlighting the instructors’ incredible energy and encouraging coaching style. If you’re looking for a strength class that feels more like a celebration than a chore, this is your spot.

“Great workout. The instructor was very motivating and has such good energy.”

Rating: 4.93 (54 reviews)

4. CrossFit MOB – CrossFit

CrossFit MOB in Thornton delivers classic CrossFit programming with a community-first mentality. Carrying a 4.88 rating across 81 reviews, this studio has built a loyal following among strength enthusiasts across the Denver metro area. Their classes combine Olympic lifting, functional movements, and conditioning in a supportive group setting that welcomes newcomers and seasoned athletes alike.

Rating: 4.88 (81 reviews)

5. Core Training by Chum – Bootcamp

Core Training by Chum in Longmont offers a refreshingly personal take on group strength training. With a 4.88 rating across 49 reviews, this studio stands out for its small class sizes and hands-on coaching. The intimate format means you’ll get plenty of individual attention and modifications tailored to your body, making it an excellent choice whether you’re building a foundation or leveling up.

“The instructor was so sweet and made me feel so welcomed! Small class, only three of us. Definitely more of a strength class than a true bootcamp. Challenging workout but definitely very approachable. Warm up and cool down included in class time.”

Rating: 4.88 (49 reviews)

6. SOFX: Soul On Fire Xercise – Fire Cardio Circuit

SOFX: Soul On Fire Xercise in Brighton pairs strength-focused circuit training with a tight-knit community feel. Their Fire Cardio Circuit class combines weights, boxing bags, and core work into a format that keeps your heart rate up while building real strength. Reviewers consistently mention the welcoming instructors and the encouraging atmosphere that makes every visit feel like a homecoming.

“One of my all-time favorite studios! The coaches are great and the community is supportive. Every format I’ve done has been fun and can be adjusted to push yourself as much or as little as you want.”

“First time here and it was a great experience! The instructor is very helpful, knowledgeable, and patient. I’ll definitely be coming back.”

Rating: 4.86 (29 reviews)

7. Junkyard Training – Adult Class

Junkyard Training in Centennial takes an unconventional approach to getting strong. Their Adult Class focuses on functional strength with an emphasis on modifications and personal attention that makes every member feel seen. With a 4.67 rating across 30 reviews, this studio is a solid choice for anyone looking for approachable strength training with a welcoming vibe.

“I love the smaller class sizes, the modifications offered, and the personal feel to it. Will definitely be back!”

Rating: 4.67 (30 reviews)

Find your next strength training class in Denver/Boulder

From reformer-based resistance training to high-energy bootcamps and classic CrossFit, the Denver/Boulder area has a strength training studio for every goal and experience level. Browse all strength training classes in Denver on ClassPass.

Compliance checklist

  1. Trial/pricing language: PASS – No mention of pricing, trials, “free,” or “unlimited.”
  2. Partner sentiment: PASS – All studios framed positively. No negative comparisons or partner-facing terminology.
  3. Lead gen language: PASS – CTA is invitational (“Browse,” “Find your next”), not pushy. No false urgency.
  4. Savings/value claims: PASS – No dollar amounts, no price comparisons, no savings promises.
  5. Health claims: PASS – Experiential language only. No guaranteed outcomes or medical claims.
  6. Review attribution: PASS – No user names. All quoted reviews are from 4+ star ratings. Informal reviews lightly paraphrased for clarity.
  7. Terminology: PASS – “ClassPass” spelled correctly, “studio” used throughout (not “gym”), “community” (not “customers”), “credits” not referenced incorrectly.
  8. Inclusive language: PASS – Welcomes all fitness levels, gender-neutral throughout, no elitist framing or ability-based metaphors.
  9. One Narrative leaks: PASS – No SmartSpot, no revenue/payout discussion, no “excess capacity,” no cannibalization framing.
  10. SEO basics: PASS – Primary keyword “strength training” in H1, “Denver/Boulder” in title and subheadings, meta description present and under 160 characters (100 chars).

Data sourced from CP_BI_DERIVED.DATAPIPELINE.TOPS_IN_CITY and CP_BI_DERIVED.DATAPIPELINE.SCORE_COMMENTS on 2026-02-18.