How Many Calories Do Ultra Runners Eat a Day?
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5 min read
During a 24-hour ultra event, some runners expend as much as 13,000 to 17,750 kcal, yet only manage to consume a fraction of that, leading to a significant energy deficit. This reveals the critical challenge of how many calories do ultra runners eat a day to sustain performance and why a strategic fueling plan is so essential.
