Crossfit Gym in St Charles, MO

Find your constant.

Whatever your fitness goals are, we provide a close-knit community, expert coaching, and top-tier facilities to help you reach them. Join us in the pursuit of improving ourselves and each other

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Expert Coaching

Our highly trained and experienced staff is dedicated to providing the best fitness experience - safely and efficiently instructing movements and pushing your limits during workouts.

Family of Fitness

We thrive in a community of positive and energizing members. No matter what you are going through in fitness or in life, we've got your back and we're ready to push each other and have some fun doing it.

Serious Results

No matter where you're at in your fitness journey and no matter your goals, we'll get you on a path to feeling, performing, and looking your best.

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1735 S River Rd, Suite 180, St. Charles, MO 63303

Coefficient CrossFit is positioned in the heart of St. Charles, MO, just south of I-70 and only steps away from the Streets of St. Charles and the Katy Trail.