CrossFit – Boulder, Colorado

About CrossFit

At CrossFit Sanitas, our mission is to promote longevity, build an extraordinary community, and make fitness an energizing, sustainable part of your lifestyle. Since opening our doors in 2013, we’ve been committed to providing a supportive environment where every individual, regardless of background or schedule, can thrive.

Founded and led by Melissa, a CU graduate, former Silicon Valley professional, and busy mother of four, Sanitas was built from the belief that efficient, high-impact fitness can transform lives. Melissa’s fitness journey, spanning trail running, triathlons, yoga, and strength training, informs our dynamic and inclusive approach to wellness.

We are continuously learning and evolving, integrating the latest research in fitness, nutrition, and recovery to give you the most effective and inspiring experience possible. Whether you’re just getting started or training at a high level, we’re here to help you reach your goals and enjoy the journey.

Classes & Services

Everything you need to feel strong, energized, and supported:

CrossFit + Olympic Lifting + Functional Strength

• Group classes tailored to all levels
• Expert coaching with a focus on proper form, progression, and injury prevention

Endurance & Track Workouts

• Improve aerobic capacity, speed, and stamina
• Fun, high-energy sessions designed for runners and CrossFit athletes alike

Nutrition Coaching + InBody Scanning

• Personalized nutrition plans to complement your training
• Body composition analysis with InBody for measurable progress

Recovery & Wellness

• Cold Plunge + Sauna access for post-workout recovery and inflammation reduction
• Physical Therapy & Sports Massage available on-site to enhance performance and prevent injury