Best CrossFit Gym in Boulder

Welcome to CrossFit Sanitas, Boulder's premier fitness destination. Whether you’re an experienced athlete or just beginning, our friendly, expert coaches are committed to helping you achieve your fitness goals.

Get Stronger, Look and Feel Better

WHY choose CROSSFIT SANITAS?

  • RESULTS: Achieve unparalleled full-body strength and conditioning

  • COACHING: Experienced, supportive coaches to help you succeed

  • SCHEDULE: Convenience with 50 weekly classes from 5:30a to 7:45p

  • LOCATION: Central Boulder location at Canyon and Arapahoe

  • FACILITIES: Beautiful 10,000 sq ft with full locker rooms, cold plunge and sauna

  • AMMENITIES: Nutrition counseling, physical therapy, massage and InBody scans

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 ammenities 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

Whole-Body Fitness

Experience comprehensive workouts that enhance strength, endurance, flexibility, and speed—every session pushes your limits.

Practical Strength

Engage in functional movements that improve everyday activities, reducing injury risk and boosting your performance in Boulder's active lifestyle.

Learn and Grow

Master new skills from gymnastics to weightlifting in our diverse training programs, keeping your workout regimen fresh and exciting.

CrossFit athletes doing wall walk up workouts

Enhanced Mobility

Increase your flexibility and mobility through dynamic movements, essential for maintaining your adventurous lifestyle in Boulder.

Overcome Plateaus

With our constantly varied workouts, say goodbye to fitness plateaus and hello to continual improvement and new peaks of fitness.

Elevate with Intensity

Our high-intensity training maximizes cardiovascular health and burns calories efficiently, perfect for those who are serious about staying in top shape.

Different Every Day

Our workout changes every day to target different areas of the body and different types o f fitness (cardio, strength, skill). So you never get bored and your body keeps improving.

Voted Best CrossFit Gym by Boulder’s Daily Camera, every year since 2016

Why do people love CrossFit

We are Boulder’s best CrossFit gym

but don’t take our word for it…

Voted “Best CrossFit in Boulder” every year since 2016

Awarded
“4th Best CrossFit in the US”

Awarded
“5th Best CrossFit in the US”

What we offer

Group Classes

Build strength, endurance, speed and functional fitness. Our group classes provide motivation and comraderie. Every day is different to keep your body guessing. Train with friends and break away from the same boring routine.

Personal Training

Our 1-on-1 training allows us to customize a plan for your specific goals. This works great for getting started or if you want to work on a specific skill like Olympic lifts. This also works well with specific injuries.

Wellness Services

Optimize your peak performance with our nutrition counseling, cold plunge, sauna, physical therapy, massage, and InBody lean muscle and body fat testing. We want to support your fitness journey every step of the way.

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Ready to get in the best shape of your life?