FOR EVERYONE

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.
Whether you're just starting out or moving from another box, our coaching, onboarding, and flexible schedule make it easy to get started.

  • Start with Foundations


    - 3 Personal Training Sessions

    - Month of Unlimited Classes

    - Nutrition Consult + InBody Scan

    Learn the fundamentals with expert coaching to set you up for long-term success.

    Learn about Foundations

  • Jump into Class


    Athletes with experience from another CrossFit can jump right into classes.

    Get started with classes or get a refresher with 1-2 personal training sessions.



    Membership Options

Trusted By

Trusted by Hundreds of Boulder Athletes

⭐ 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”

Not ready to commit? Book a free 15-minute 1-on1 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

Not Sure Yet?

Wodify Lead Form

Gallery

From the CrossFit Gallery

MEMBER STORIES

What Our Members Say

Join hundreds of satisfied members who've transformed their fitness and found a supportive community at CrossFit Sanitas.

  • I was nervous to start because I had no idea what I was doing, but the coaches made me feel welcome right away and guided me through everything. I’ve never felt out of place.

    Chris M.

  • I just wanted to feel stronger and healthier. Sanitas gave me the structure, support, and confidence I needed to stick with it—and I’m in the best shape of my life.

    Matt M.

  • Every workout is coached. I never have to plan anything. I just show up and get results.

    Katie S.

GET STARTED

How to Get Started

Join hundreds of satisfied members who've transformed their fitness and found a supportive community at CrossFit Sanitas.

  • Recovery Lounge

    Rejuvenate with our state-of-the-art cold plunge and infrared sauna facilities to optimize recovery.

    Book Free Intro

  • Learn the Basics

    Three 1-on-1 sessions to build your foundation with expert coaching.

  • Join the Community

    Start classes and build momentum with a supportive network around you.

Ready to Transform Your Fitness?

Join hundreds of others who've changed their lives at CrossFit Sanitas. Your fitness journey starts with a simple conversation.