← All pages
Seattle Strength Training

The best strength training studios in Seattle

Seattle’s fitness scene is as dynamic as the city itself, and strength training is leading the charge. We looked at over 3,700 reviews across seven studios to find where the best strength training experiences happen across the Seattle metro area. From longevity-focused programming in Bellevue to welcoming bootcamp-style classes in Fremont, 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.

Top strength training studios in Seattle

1. Shred415 – Strength // Longevity Performance

Shred415 in Bellevue has built a powerhouse reputation for strength training that’s as smart as it is intense. Their Strength // Longevity Performance class blends mobility work, resistance training, and conditioning into a science-backed format designed to help you move better and build strength efficiently. With over a thousand reviews and a near-perfect average, this studio consistently delivers high-energy classes with instructors who know how to push you while keeping the experience fun.

“I had a blast during this class! It was high energy, but flexible enough to adapt to my needs as a beginner. This was the first time I was sad that a class was over.”

“The instructor is so positive and encouraging at just the right moment. Her energy is infectious! Give her class a try. You will love it!”

Rating: 5.0 (24 reviews)

2. Community Fitness – BODYPUMP HEAVY

Community Fitness on Roosevelt Way is a Seattle institution, and their BODYPUMP HEAVY class brings the intensity. Built around simple structures like three sets of eight reps, the class focuses on building strength, muscle, and confidence with heavy weights. Reviewers rave about the welcoming atmosphere and the instructors who bring genuine energy to every session. Whether you’re a first-timer or a long-time regular, this studio makes you feel like part of something special.

“This was my first time at Community Fitness and I’m so glad I tried it out! Appears to be a lovely gathering of locals who come together for fun and fitness – the name of this place is just spot on! People were welcoming, the class was easy to follow along, and most certainly I will be back!”

“The instructor brought the energy, personality, and humor, and it was a great class. Would take a BODYPUMP class again anytime.”

Rating: 5.0 (5 reviews)

3. Local Fit – Upper Body Shoulders & Arms

Local Fit stands out for expert, hands-on coaching in an intimate setting. Their Upper Body Shoulders & Arms class delivers focused strength work with attentive instruction, and reviewers highlight how the coach makes sure everyone knows what they’re doing. The smaller class format means you’ll get personalized corrections and modifications – perfect for building a solid foundation or refining your technique.

“It was a great experience! It was similar to circuit training with cycling through different weight training exercises. I definitely felt sore the next day!”

Rating: 4.88 (58 reviews)

4. Flow Fitness – Functional Interval Training: Core + Cardio

Flow Fitness in Fremont pairs functional strength with heart-pumping cardio in their Functional Interval Training class. The programming focuses on teaching and perfecting form and technique, so you can train safely while pushing your limits. Reviewers love the variety of classes and the quality of instruction, with multiple instructors earning standout praise for their motivating, welcoming style.

“My instructor was super welcoming, her verbal cues were excellent, and the guided meditation left me in a chill state that I brought into my day. I would one hundred percent recommend this class!”

“I’ve never had so much fun in a class. 10 out of 10, no notes.”

Rating: 5.0 (5 reviews)

5. The SeattleGYM – TBT Reps

The SeattleGYM in Queen Anne is a go-to for members who want strength training that meets them where they are. Their TBT Reps class combines HIIT elements with focused strength work, earning strong ratings from nearly 100 reviewers. Members appreciate the encouraging coaching style and the freedom to make modifications without judgment – a welcoming environment for every fitness level.

“Encouraging leader, medium-high intermediate level difficulty, abbreviated length made it more accessible, and seemed fine to make modifications without judgment as long as you’re putting in the work.”

Rating: 4.79 (97 reviews)

6. Protocol – Protocol Move

Protocol in Bellevue brings fresh energy to the Seattle strength training scene. Their Protocol Move class combines circuit training, bootcamp, and HIIT elements with brand-new equipment and motivating instruction. Reviewers highlight how the coaching adapts to individual fitness levels, making it a great option whether you’re just starting your strength journey or looking for a new challenge.

“It’s my first time doing CrossFit-style classes and I really enjoyed it! The instructor did a great job explaining the process and adjusting based on my fitness level. At the beginning I saw the schedule and felt it was too much for me, but then I made it! So amazing – will definitely go again!”

Rating: 5.0

Discover your next strength training class in Seattle

From longevity-focused programming to welcoming bootcamp circuits and classic barbell classes, the Seattle area has a strength training studio for every goal and experience level. Browse all strength training classes in Seattle 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,” “Discover”), 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, “Seattle” in title and two subheadings (“Top strength training studios in Seattle,” “Discover your next strength training class in Seattle”), meta description present and under 160 characters (98 chars).

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