CrossFit Sanitas in Boulder
Voted Boulder’s Best CrossFit Gym Every Year Since 2016 — Offering CrossFit, Strength, Endurance, and Track Classes, Plus Personal Training, Nutrition Coaching, and Recovery Services — All Under One Roof.
Whether you're an experienced athlete or new to fitness, CrossFit Sanitas gives you everything you need to build real strength, endurance, and resilience. With expert coaching, 50+ weekly classes, personalized training options, full recovery services, and a vibrant Boulder community, we’re here to help you get stronger, leaner, and healthier — and enjoy every step of the journey.
Get Stronger. Move Better. feel your best.
WHY choose CROSSFIT SANITAS?
Expert Coaching for Real Results: Our supportive, highly experienced coaches help you get stronger, faster, and fitter — safely and effectively.
Convenient Schedule to Fit Your Life: With 50+ weekly classes from 5:30 am to 7:45 pm, it’s easy to stay consistent no matter your schedule.
Prime Central Boulder Location: Located at Canyon & Arapahoe, steps from shopping, groceries, and parking — easy in, easy out.
World-Class Facilities and Amenities: 10,000 sq ft gym with full locker rooms, cold plunge, sauna, and high-end recovery and wellness options.
Complete Wellness Support: In-house nutrition counseling, InBody body composition scans, physical therapy, and sports massage — all under one roof.
Trusted by Boulder’s Fittest:
Awards + Reviews
⭐ 169 Google reviews with a 4.9 star average
🥇 Voted “Best CrossFit in Boulder” every year since 2016
🏆 Top 5 CrossFit Gym in the United States
“Best CrossFit in Boulder”
every year since 2016
“4th Best CrossFit
in the US”
“5th Best CrossFit
in the US”
Get Started in 3 simple steps
Schedule Your Intro - 15 mins
Book a 15-minute session with no commitment and no pressure. One of our friendly coaches will give you a tour of our facility and amenities and answer any questions.
Learn the Basics - 3 Sessions
Dive into fitness with 3 personal training sessions tailored specifically for you by our expert coaches. We’ll introduce you to new movements/equipment and establish a fitness baseline.
achieve Lasting results
Step into our group classes that are different each day to keep you motivated and excited to come back for more. Enjoy ongoing support from our team who will regularly check in on your progress.
Discover the benefits of CrossFit Sanitas
Build Real-World
Strength & Endurance
Train your body to be strong, capable, and resilient — whether you're chasing outdoor adventures, everyday energy, or peak athletic performance. Our CrossFit, strength, endurance, and track classes build the foundation for a lifetime of movement.
Stay Challenged,
Motivated & Growing
With constantly varied programming, new skills to master, and supportive expert coaching, you'll never hit a plateau or lose motivation. Every class keeps your body and mind evolving — so you stay excited to train and keep getting better.
Move Better, Feel Better,
Live Better
Enhance your mobility, flexibility, and functional fitness through dynamic movements designed to improve how you move in everyday life — and reduce the risk of injury so you can live pain-free and active.
Recover Smarter to Train Harder
Support your progress with access to full recovery services — including cold plunge, sauna, massage therapy, physical therapy, and nutrition coaching — so you can stay strong, bounce back faster, and perform at your best.
Why People Love CrossFit Sanitas
Every day is a new challenge — no boring routines.
Build full-body fitness and real strength.
Train alongside a supportive, driven Boulder community.
