A TEAM OF FITNESS PROFESSIONALS, WORKING FOR YOU. Clarendon Fitness is a personal fitness company that coordinates the balance of complete health into one cohesive system. Strength, cardiovascular health, flexibility, and nutrition are combined through a unique multi-trainer system that is at the heart of Clarendon Fitness. Every workout is different and progressive. Our goals revolve around the individual results and success of our clients. NO memberships or long-term contracts necessary. Let Clarendon Fitness work with you to plan and achieve your fitness goals.