How Many Gels Should You Take for a Marathon?
According to science, taking gels during a marathon may improve your marathon time by 10 minutes (or ~4.7%!) Taking carbohydrates during long or intense competition,
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According to science, taking gels during a marathon may improve your marathon time by 10 minutes (or ~4.7%!) Taking carbohydrates during long or intense competition,

It’s a dreaded scenario for many runners: you take a gel during your race, and within minutes your stomach revolts. Nausea, vomiting, urgency, and cramping