CrossFit Sanitas is the best CrossFit gym in Boulder, voted #1 since 2016 and rated 4.9 stars from 200+ Google reviews. We offer 50+ weekly classes in CrossFit, Yoga, Endurance, Strength, and Olympic Lifting. With expert coaching, recovery options like sauna, cold plunge, massage, and nutrition coaching, plus a supportive community, we help you achieve lasting results.