CrossFit 333 is located on Randall Road in St. Charles, IL. We welcome new or experienced CrossFitter’s to our box.

CrossFit 333 membership’s are unlimited, which means you can attend any class, at any time.  We don’t want you to feel locked to a certain schedule or limited by how many times you can workout in a week. Our facilities includes a shower, so members can freshen up before continuing with your day.  We also have a kids room.
Start CrossFit safely with a free trial class!

If you are new to CrossFit, please join us for a free trial class. See why we love CrossFit so much! Our programming is geared toward general physical preparedness. Our gym (box) is here to service the Tri-City Fox Valley area.