Marine Corps Physical Fitness (MCRP 7-20C.1) Introduction Marine Corps Physical Fitness (MCRP 7-20C.1) dated 11 April 2025 is the official United States Marine Corps publication detailing physical fitness policy, methodology, and implementation to ensure combat readiness. This manual provides foundational doctrine to guide commanders, leaders, and individual Marines in developing and maintaining high levels of physical capability. Emphasizing both performance and injury prevention, it establishes the core structure for a lifelong fitness culture across all ranks and units. Table of Contents Chapter 1: Introduction to Marine Corps Fitness - Chapter 2: Physical Fitness Philosophy - Chapter 3: Fitness Program Design - Chapter 4: Components of Fitness - Chapter 5: Physical Training Execution - Chapter 6: Assessment and Evaluation - Chapter 7: Injury Prevention and Recovery - Chapter 8: Environmental and Occupational Considerations - Chapter 9: Nutritional Support - Appendices: Training Templates, References, and Additional Resources Chapter Summaries Chapter 1: Introduction to Marine Corps Fitness outlines the strategic purpose of physical fitness in combat readiness and the Marine Corps ethos. It introduces the guiding principles and operational necessity of comprehensive physical training. Chapter 2: Physical Fitness Philosophy defines fitness as a function of combat effectiveness and resilience. The philosophy stresses the relationship between physical strength, endurance, mental toughness, and discipline as essential Marine traits. Chapter 3: Fitness Program Design provides a framework for developing unit and individual fitness plans. It includes principles of progression, periodization, balance, and mission-specific conditioning with examples of annual training cycles. Chapter 4: Components of Fitness describes aerobic capacity, muscular strength, power, endurance, flexibility, and mobility. It explains their interdependence and how each supports operational performance under duress. Chapter 5: Physical Training Execution focuses on the implementation of fitness sessions, emphasizing command-led PT, high-intensity functional training (HIFT), combat conditioning, and tactical relevance. It outlines warm-up and cool-down procedures and safe exercise practices. Chapter 6: Assessment and Evaluation explains the role of regular and objective measurement through tools like the Physical Fitness Test (PFT) and Combat Fitness Test (CFT). It covers goal setting, progress tracking, and individualized feedback. Chapter 7: Injury Prevention and Recovery addresses the importance of rest, recovery, proper biomechanics, and early identification of overtraining. Strategies include rehabilitation support, stretching protocols, and modifying