What to Eat During an Ultramarathon: A Guide to Fueling for Success
- Diego Tobias
- Jan 21
- 5 min read
Updated: Jan 25

Running an ultramarathon demands a unique and strategic approach to nutrition. With events that can last 6, 12, or even 30+ hours, your body requires a steady supply of energy to keep you moving through miles of grueling terrain. Proper fueling can make the difference between finishing strong or hitting a dreaded energy "wall."
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