Nutrition
Ultramarathon Nutrition
Ultramarathon nutrition plans hourly carbs, sodium, and gut-trained foods for trail races beyond marathon distance—often 60–90+ g carbohydrate per hour when tolerated.
Ultramarathon nutrition is the hour-by-hour fueling plan for trail races beyond marathon distance—steady carbs, gut-trained foods, and sodium to match sweat rate. Most athletes target 60–90+ g carbs per hour on flat training guts; race day often starts lower and builds.
Practice fuels on long training hikes, not new gels on race morning.
Common questions
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How many calories per hour in an ultramarathon?
Intake varies; many elites absorb 200–400 kcal/hour from mixed sources. Train your gut on long efforts and adjust for heat, altitude, and pace.
Related terms
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