Ready to Feel

Stronger

Fitter

and More Confident?

Your journey starts here — with expert coaching, proven programs, and a welcoming community in the heart of Boulder.

Choose Your Path

New to CrossFit?

Start with Foundations: 

  • 3 Personal Training Sessions

  • 1 Group Class 

  • Nutrition Consult

  • InBody Scan

  • 21-Day Coach Check-In

Build Strength, Skills & Confidence
Learn the Fundamentals with expert Coaching

[Start Foundations]

Experienced CrossFitter?

Skip Foundations and jump right into classes

For athletes with experience at another affiliate

Just sign up and go

[Join Now]

Not Sure Yet? Let’s Talk.

Not ready to commit? Book a free 15-minute 1-on-1 with a coach:

✅ Tour the gym
✅ Talk about your goals and past experience
✅ Learn how Foundations works
✅ Get all your questions answered — no pressure, no workout

Wodify Lead Form

Build Your Foundation

If you're new to CrossFit, our Foundations Program is a 3-session personal onboarding experience designed to set you up for long-term success and real progress.

Foundations includes:

  • 3 Personal Training Sessions

  • 1 Coach-Selected Group Class

  • Nutrition Consultation + InBody Scan

  • 21-Day Check-In Session with a Coach

🔹 Learn essential movements and build baseline strength

🔹 Set goals and track progress

🔹 Gain confidence before joining group classes

Join the Community

Once you complete Foundations—or if you're already experienced—you’re ready to:

  • Access 50+ coached classes weekly

  • Choose from CrossFit, Endurance, Olympic Lifting, Functional Strength & Track workouts

  • Use full recovery amenities: sauna, cold plunge, massage & PT

  • Tap into Nutrition Coaching for faster results

For Experienced CrossFitters

Already trained at another affiliate?

For full membership

If you're just visiting Boulder

 Why CrossFit Sanitas?

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 Why CrossFit Sanitas? 🏋🏽‍♂️

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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

Full recovery suite including sauna, cold plunge, and in-house massage & physical therapy

Nutrition coaching, InBody scans, and ongoing support

Located in central Boulder — easy to reach and close to where you already live, work, and run errands

World-class programming created by our Head Coach, who leads PRVN’s affiliate program (used by 600+ gyms globally) — with cycles tailored specifically for Boulder’s seasons, races, and outdoor lifestyle

We’re here to help you feel better, move stronger, and train smarter — for the long haul.