CrossFit

Forging strength, endurance, and community—one WOD at a time

Program Description

Join us at the gym in St. Charles, MO, for the best CrossFit classes around, featuring high-intensity, constantly varied workouts designed to build strength, endurance, and overall fitness. Our expert coaches guide you through functional movements that enhance real-life performance, helping you push limits and achieve results. Whether you’re new to CrossFit or a seasoned athlete, our program adapts to challenge you at your level while fostering a supportive community.


Ready to transform your fitness? Come in for a free trial class and see why UnCharted CrossFit is St. Charles' go-to CrossFit gym!

A black arrow pointing to the right on a white background.
Expert Coaching & Scalable Workouts

Our certified trainers ensure proper technique, safety, and progress for all fitness levels—modifications available for beginners to advanced athletes.

A black arrow pointing to the right on a white background.
Full-Body Strength & Conditioning

Experience a mix of weightlifting, gymnastics, and cardio to build a powerful, resilient body.

A black arrow pointing to the right on a white background.
Community & Accountability

Train alongside a dedicated group that pushes and supports you, making every workout more motivating and rewarding.

A black arrow pointing to the right on a white background.
Real-World Functional Fitness

From lifting to sprinting, our movements enhance daily performance and athletic capability for a healthier, stronger you.

Start Your Fitness Transformation Today

The path to a stronger, fitter, healthier you starts here. Book your free no-sweat intro with a coach or if you're already experienced sign up for a free trial class and take the first step toward tangible results.

Step 1

Book a Free Intro or Trial Class

New to fitness? Work with a coach to understand your fitness and mobility starting point.


Already experienced? Come check out a free trial class!

Step 2

Create Your Fitness Game Plan

During your free intro or trial class, your coach will work with you to map out a personalized success plan based on your current fitness level and goals.

Step 3

Put Your Plan into Action

We’ll guide you into the perfect training programs for your goals so you can start seeing real, lasting progress.

Experienced with CrossFit/ Weightlifting?

We invite anyone with 3+ months of CrossFit or weightlifting to come check out a free trial class. If you want to skip the free trial and just get your membership started, email lynette@unchartedcrossfit.com. Otherwise, click below to book your free trial CrossFit class now!

Schedule your Free Intro

Just a quick form and you’re on your way! We’ll be in touch soon to schedule your free no-sweat intro. Can’t wait to see you at the gym!

Font Awesome Icons