the BEST boulder crossfit gym
Get leaner, stronger, fitter faster!
Community fitness with 50+ classes / wk
Expert coaches who know your goals
All ages and beginners welcome!
What CROSSFIT SANITAS Members Say
Join hundreds of satisfied members who've transformed their fitness and found a supportive community at CrossFit Sanitas.
“At 52, I've never felt stronger or more motivated. The coaches, supportive community and holistic approach keep me coming back.”
— Nikki R.
“Beautiful space with Incredible coaches who take good care of both beginners and seasoned athletes!
— Dawson B.
“CrossFit Sanitas is a great gym with an incredibly supportive community. Coming here is often the best part of my day!”
— Sam K.
CrossFit Sanitas is more than Just CrossFit
At CrossFit Sanitas, we’ve created more than just a gym — it’s a full-service wellness facility. Whether you're training for performance, longevity, or simply looking to move better, our professional team is here to guide you.
CrossFit Sanitas offers
Supportive, Welcoming, and Empowering Community
✅ Included
✅ Yes
Specialty Classes: Women’s Strength, Yoga & Olympic Lifting
✅ Yes
Functional Strength & Endurance Training Classes
✅ Yes
Massage & Physical Therapy (extra fee)
✅ Yes
Professional Coaching Staff
✅ Yes
Full Locker Rooms & Showers
✅ Yes
Top-Tier Equipment (Rowers, Ski Ergs, Turf)
✅ Yes
InBody Composition Testing
✅ Yes
Infrared Sauna and Cold Plunge
✅ Yes
Whether you’re new to CrossFit or looking to level up your training, you'll be supported by Boulder's best CrossFit coaches in an environment designed for results.
Frequently Asked Questions
CrossFit Sanitas
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CrossFit Sanitas stands out as one of the best CrossFit gyms in Boulder thanks to sciene-backed programming, world-class coaching, a supportive community and personalized training. With 50+ classes in CrossFit, Functional Strength, Endurance, Yoga, Women’s Strength and Olympic Lifting…there’s something for everyone. Our facility offers everything from group classes to recovery services - all under one roof.
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We’re proud to have Boulder’s top fitness professionals on our team, certified coaches, nutrition experts, and movement specialists dedicated to helping you achieve your goals safely and effectively.
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Unlike other Boulder CrossFit gyms, CrossFit Sanitas focuses on long-term health and performance. With flexible class schedules, personalized coaching, and additional services like massage therapy and nutrition coaching, we provide a comprehensive fitness experience.
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Absolutely! Whether you’re new to CrossFit or getting back into shape, our coaches will scale workouts to your level and help you build strength and confidence over time.
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Our gym in Boulder offers group CrossFit classes, personal training, youth programs, nutrition coaching, massage and physical therapy - everything you need to reach your fitness goals in one place.
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Yes! Our expert coaches create custom plans tailored to your lifestyle and goals. Nutrition coaching is a key part of our full wellness experience at CrossFit Sanitas.
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We are located in Boulder, Colorado. But if you want to know the exact location, here it is: 2525 Arapahoe Ave, Boulder, CO
50+ coached classes weekly
Classes in CrossFit, Functional Strength, Endurance, Yoga and more with a very flexible schedule.
Expert coaches who care
Personalized coaching and attention in every class, every time.
Convenient Boulder location
Train where you live, work, and run errands—skip the commute—make every minute count.
World-Class programming
Created by our Head Coach, who leads PRVN’s affiliate program (used by 600+ gyms ).
Everything under one roof
Cold plunge, sauna, massage, physical therapy, nutrition coaching + InBody Scans.
Real community Support
Build lasting friendships and find accountability partners who cheer you on.
Ready to Transform Your Fitness?
Join hundreds of others who've changed their lives at CrossFit Sanitas. Your fitness journey starts here.