BEST CROSSFIT in Boulder
Health | Fitness | Community
Whether you’re getting stronger, building confidence, or just looking for a supportive crew to move with, you’ll feel right at home!
What Makes CrossFit Sanitas Boulder’s BEST CrossFit Gym?
Rated 4.9 from 170+ Reviews on Google
Voted Boulder’s Best CrossFit Gym ( Daily Camera, every year since 2016)
Featured in SHAPE and SELF magazines as one of America’s top CrossFit gyms
CrossFit Sanitas OfFers Much 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.
What Our Members Say
Join hundreds of satisfied members who've transformed their fitness and found a supportive community at CrossFit Sanitas.
“Dropped 2 pant sizes and significantly boosted my endurance. No other gym compares.”
— Suzi B.
“Top-notch coaches who push you safely beyond your limits.”
— Amanda P.
“I was hesitant to join a gym, but Sanitas made me feel comfortable from day one.”
— Chris M.
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.