Elite athletes spend 80% of their training in Zone 2 for good reason. Learn why the 'easy' pace builds the metabolic engine that powers everything else.
Author Health Science Editor
Dash Hartwell has spent 25 years asking one question: what actually works? With dual science degrees (B.S. Computer Science, B.S. Computer Engineering), a law degree, and a quarter-century of hands-on fitness training, Dash brings an athlete's pragmatism and an engineer's skepticism to health journalism. Every claim gets traced to peer-reviewed research; every protocol gets tested before recommendation. When not dissecting the latest longevity study or metabolic health data, Dash is skiing, sailing, or walking the beach with two very energetic dogs. Evidence over marketing. Results over hype.
Elite athletes spend 80% of their training in Zone 2 for good reason. Learn why the 'easy' pace builds the metabolic engine that powers everything else.
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