Ready to Get Stronger, Leaner, and Feel Your Best?
50+ expert-led classes, full recovery tools, and everything you need to train smarter and feel your best.
Boulder’s Best CrossFit Gym
Boulder’s Best CrossFit Gym
What Makes Us Boulder’s Top CrossFit Gym?
⭐️⭐️⭐️⭐️⭐️ Rated 4.9 from
200+ 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
Why Choose CrossFit Sanitas?
Over 50 coached classes every week
Full recovery suite: cold plunge, sauna, massage & physical therapy
Centrally located near McGuckins, Whole Foods & Target
Custom programming created by our Head Coach — the same programming used by 600+ gyms through PRVN
Expert coaches who care — every class, every time
Real community support, not just workouts
Train Smarter, Not Just Harder
Our head coach programs for over 600 gyms worldwide through PRVN — the same platform built by CrossFit’s most decorated athlete in history.
At Sanitas, every workout is:
Progressively designed for long-term results
Tailored for Boulder’s active lifestyle (strength, ski prep, trail running, etc.)
Backed by expert coaching and structured improvement
“I’ve been doing CrossFit for years—this programming is the smartest I’ve seen.”
– Mark T.