Nutrition
Ultramarathon Hourly Carb Target
An ultramarathon hourly carb target builds toward sixty to ninety grams per hour in training steps—rotation and fluids support late-race intake.
An ultramarathon hourly carb target often climbs toward sixty to ninety grams per hour for trained guts—built in weekly steps from thirty grams, not jumped race week. Palate fatigue and sleep deprivation lower tolerance late; rotation and liquids help.
Sodium and fluids scale with heat. Walk breaks are fueling opportunities.
Common questions
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Can you start ultras at ninety grams per hour?
Only if months of gut training support it. Most athletes progress ten to fifteen grams per hour every few weeks until tolerance plateaus without GI distress.
Related terms
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