Lindsey Hunt of Precision Fuel & Hydration joins Michael to talk about his research into sweat, his novel sweat rate calculator, and his recommendations for maximizing performance in hot conditions. Lindsey covers:

-sweat rate and replenishment strategies

-why dehydration is a more serious performance limiter in hot conditions

-passive and active heat training for acclimatization and performance

-in-race strategies for controlling core temperature

Listen also to our Episode 116 interview with PF&H founder Andy Blow to get a deeper understanding of the role of electrolytes and carbs in hydration.