We are the ORIGINAL CrossFit Affiliate in Lake St. Louis

Our programming is effective and fun! Established in 2013, we have years of experience and expertise to guide you, no matter your goals. The first week is free!

Come See Us!

Interested in trying CrossFit? Your first week is always free! Come try it out with no obligation to join to see if CrossFit is for you! Call or text us at 636-344-0012, email us at, or use one of the buttons below to let us know you’re coming. We’d love to hear from you!

1 Week FREE Trial

Try CrossFit Trenches for free for one week with no obligation to join. Free trial expires one week from first class attended.

Drop In

Dropping in from out of town or another box? Click here to register and let us know you’re coming!

Trenches Services

  • CrossFit Programming
  • Nutrition Coaching
  • Personal Training
  • Skill Seminars
  • Weightlifting Seminars
  • Barbell Club
  • Mobility Clinics

Want more info? Contact us!