Ultra-endurance athletes can burn up to 8,000 calories per day

Popular ScienceMonday, October 20, 2025 at 3:00:00 PM
PositiveScience
Ultra-endurance athletes can burn up to 8,000 calories per day
Ultra-endurance athletes are pushing the limits of human performance, burning up to 8,000 calories a day during their grueling activities. This remarkable feat highlights the incredible capabilities of the human body, even as it operates within a 'metabolic ceiling' that regulates energy expenditure. Understanding these dynamics not only fascinates sports enthusiasts but also sheds light on the importance of nutrition and training in extreme sports.
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