Instagram: https://www.instagram.com/officialhcsa/ The biggest mistake you can make on race day is ignoring the weather. In this episode, we break down Steve's brutal 14-mile Spartan Beast and exactly how the freezing rain and mud destroyed his pacing. We explain the biology of shivering, how a 2-degree drop in temperature tanks your VO2 max, and the exact protocols (like cold plunging and baking soda) you can use to hack your body's endurance limits.