Welcome to Thunder Valley Fitness! We are an 11,000 square foot training facility in Johnson City, TN dedicated to helping people be the best version of themselves through functional fitness. Within Thunder Valley Fitness you will find two uniquely different programs (Thunder Valley CrossFit and Fit Club) that give all individuals an option to get in the best shape of their life. Thunder Valley CrossFit is a core strength & conditioning program that delivers a fitness that is by design, broad, general, and inclusive. Fit Club is a program based on weight/fat loss via calisthenics, cardio, and constant diversity in programming. Just like CrossFit, Fit Club will offer the community aspect that CrossFit is known for. Whether you are an elite athlete, looking to lose a few pounds, or starting your fitness journey coming straight off the couch, Thunder Valley Fitness is the training facility for you. We'd love to assist in changing your life.