BECOME THE STRONGEST, HAPPIEST VERSION OF YOURSELF


We don’t want to tell you about us. We want to show you.

CrossFit

CrossFit

Group classes led by a certified coach

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Personal Training

Personal Training

1-on-1 with a certified coach

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CrossFit Kids/Teens

CrossFit Kids/Teens

Fitness made fun for kids and teens

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Sweat 30

Sweat 30

A high energy 30 minute class

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Nutrition

Nutrition

Support for your goals! Gain muscle, get leaner, stronger, and overcome plateau's

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Olympic Weightlifting

Olympic Weightlifting

A highly specialized program designed to improve your Olympic lifts.

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Open Gym

Open Gym

Membership Perks

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Are you new to CrossFit?

We've been in your shoes. The hardest part is taking the first step. We can help.

Schedule Free Consult

Experienced?

Excited to meet you. Everyone starts with a free consult.

Schedule Free Consult

Looking To Drop In?

Visiting town for a week, come to CrossFit St. Charles for a great place to workout

Let's Do This!
  • See what Jason K has to say.

    Jason K After Image

      I trusted my CrossFit St. Charles Coaches and knew that if they applied the high standards and attention to detail that they do to my workout  to a weight loss plan, I was in good hands.  Supportive Coaching with a solid, healthy plan, I was a very succ...

    • It is giving me a new confidence in my body!

      So thankful for this opportunity and for the coaches that show up to help me get better. Not just physically, but mentally as well. My mind has changed, not just my body. It's definitely giving me a new confidence in my body. Like, I can push it really fa...

      Jeanne H.

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    • I got my lungs back!

      “Six months, no smoking. Six months of CrossFit. I feel like I got my lungs back…”...

      Mark

      Full Testimonial
    • Rachael Ws success story

      ...It has changed my body, my mental thinking...

      So I was looking thru some photos and these photos right here are one of the reasons why I do Crossfit. It has changed my body, my mental thinking , the way I think about food , how much stronger I am and how I see exercise. the community in itself is one...

      Rachael W

      Full Testimonial
    • Jayne-Adaptive Athletes success story

      Actually, I can!

      "I've been coming a long time now. Kim's been working with me to challenge my weaknesses and turn them into strengths"...

      Jayne-Adaptive Athlete

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    • A family with a shared passion

      From the moment I stepped in I was embraced by a family, led by coaching skill to be and achieve my personal best, and encouraged by all to be my strongest physically, mentally, and emotionally. As with many I’m a mom, wife, and full-time professional a...

      Heather R.

      Full Testimonial
    • Crossfit St.Charles Community is one of a kind

      The Crossfit community has amazing gyms around the world and CFSC is a great example of just that. The investment of continued training and true desire to bring the best out of each coach is evident in everything they do from coaching a class to discussin...

      Mike T

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    • Jason Rs success story

      The coaches are invested in helping you reach your goals.

      I started crossfit because i wanted to find a healthier version of me. In doing so, my love for competition has been rekindled, which I’m enjoying. I’ve enjoyed making new friends with people in this fitness community and am constantly inspired by the...

      Jason R

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    A 5 Star Gym

    35 REVIEWS

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    Meet our Newest Coach

    We are pleased to announce that Jennifer Hopper is officially a CFSTC coach! A sports enthusiast at heart, reinforced by a purist competitive spirit, Crossfit is the perfect fit for Jennifer to fulfill her drive of continued growth in mind, body and spirit.  She has a focused passion for helping others and seeing them be …

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    Differences between CrossFit and Orange Theory

    Group fitness training is a highly effective way to train. Two popular methods of group training are CrossFit and Orangetheory Fitness. If you have been trying to find a fitness program to help you get stronger, lose weight, or improve your health and energy you may have had some questions about the program for you. …

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    Progress with Rachael W.

    “So I was looking thru some photos and these photos right here are one of the reasons why I do Crossfit. It has changed my body, my mental thinking , the way I think about food , how much stronger I am and how I see exercise. the community in itself is one of the …

    Continue reading

    It’s just “See you soon”

    We are so sad to be saying “See you soon” (never goodbye) to Kelly G. She is moving and off to great new adventures.  We are all hoping for an invite to visit! I simply cannot remember a time when Kelly was not a part of this gym. She has been the solitary perk of …

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    $64

    RP Strength Nutrition Challenge!

    10% Discount for members

    Features

    Crossfit St. Charles now offers nutrition support for Crossfitters who want to gain muscle mass, get leaner, stronger, and overcome plateaus!