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TagTraining Principles

Training Principles is Trail Runner Nation’s collection of evidence-based coaching, practical training advice, and proven strategies to help trail and ultrarunners train smarter. From endurance, strength, recovery, and nutrition to pacing, heat adaptation, and injury prevention, these episodes turn sports science into real-world lessons you can apply on your very next run. Whether you’re training for your first trail race or your next 100-miler, you’ll find practical guidance to help you become a stronger, healthier, and more resilient athlete.

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