Author: Martin Zhor

Uphill Athlete’s position on hypoxic conditioning has evolved significantly over the past several years, and we think that evolution is worth being transparent about. For years, we were publicly skeptical of normobaric hypoxic tents and related pre-acclimatization methods. That skepticism was reasonable given the evidence available at the time. The peer-reviewed research was thin, the results we observed in coached athletes were inconsistent, and aerobic fitness alone appeared to be a better investment for most climbers. What changed was a combination of new practical experience and ongoing research. We began to identify the variables that determine whether hypoxic conditioning works…

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Heat might be one of the most powerful—and misunderstood—stressors endurance athletes face, limiting performance by competing with the cardiovascular system’s ability to deliver oxygen to working muscles. This article explains how the body responds to heat, why performance declines, and how targeted heat exposure can drive meaningful adaptations in thermoregulation, blood volume, and aerobic capacity. Used deliberately, heat training becomes not just a way to survive in the heat, but a tool to improve performance in all conditions.

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Uphill Athlete Coach Martin Zhor explores how the training principles used by Norway’s world-class Olympic endurance coaches can be applied to mountain athletes, ultra runners, and endurance enthusiasts. He highlights practical strategies for building a strong aerobic base, managing intensity, optimizing recovery, and adapting training to real-world conditions like altitude, terrain, and environmental stressors.

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Coach Martin Zhor a structured, six-month training plan to prepare climbers for Aconcagua’s extreme altitude, heavy pack carries, and cumulative fatigue, emphasizing aerobic endurance, strength, and mental resilience. He also offers practical advice on acclimatization, avoiding common mistakes, and building the durability needed for high-altitude success.

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