Welcome to CrossFit Nucleus

At Cross Fit Nucleus, you receive full access to professional guidance during every workout, top-of-the-line equipment, and amenities not seen at most CrossFit Gyms or CrossFit ‘Boxes.’

We are a community fueled by great people and hard work with fitness being the epicenter of what we do. We use proven methods to force our bodies to change so we get the results we desire. We constantly vary our workouts with fully functional movements so that our bodies never have a chance to adapt or plateau.

At our CrossFit gym, we focus on movement patterns first and foremost, so we can be more efficient during our daily routine and also keep us injury free. The results of proper functional movements that are constantly varied and executed at an individual’s level of high intensity are absolutely astounding and will be found at CrossFit Nucleus!

CrossFit Nucleus

350 Old Fullerton Rd,
Swansea, IL 62226

Call Us: 618-416-8677