NORTH KNOXVILLE'S PREMIERE CROSSFIT GYM Building Strength, Character, and Community Interested in meeting with our staff? Schedule Appointment About RDCF Our program effectively combines the most effective training methods of weightlifting, gymnastics, and cardio. Our Team Our coaches are passionate and knowledgeable. We are committed to helping our members reach their goals and truly enjoy the process. Our Schedule We offer classes as early as 6am and as late as 6pm.