Marathon fuel
Marathon fuel is not a single dish but a category of energy-dense foods consumed by endurance athletes during long-distance running to maintain performance. Typical options include energy gels, chews, bananas, dates, or specially formulated bars, often featuring simple carbohydrates like glucose, fructose, or maltodextrin. The concept originates from modern sports nutrition practices, popularized globally in the late 20th century.
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🍽️ Nutrition at a glance
These foods are predominantly high in fast-acting carbohydrates, providing quick energy with minimal fat or protein to avoid digestive issues. A standard serving (e.g., one gel or a small banana) typically contains 100-150 calories, along with electrolytes like sodium and potassium to support hydration and muscle function.
Nutrition breakdown
| Calories | 220 kcal |
| Protein | 8 g |
| Carbs | 36 g |
| Fat | 5 g |
| Fiber | 2 g |
| Sugar | 18 g |
| Sodium | 120 mg |
| Potassium | 200 mg |
| Iron | 4 mg |
| Magnesium | 50 mg |
| Vitamin C | 60 mg |
| Vitamin B6 | 0.8 mg |
| Vitamin B12 | 2.4 µg |
| Calcium | 100 mg |
| Phosphorus | 150 mg |
Per 1 bar (60 g) · estimated, varies by recipe
💡 What's interesting
Culturally, marathon fuel reflects the evolution of athletic performance science, transforming traditional foods into optimized, portable nutrition. Nutritionally, it's unique for its focus on rapid glycogen replenishment, often using multiple carbohydrate sources to enhance absorption rates during intense exercise.
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AI estimate may be inaccurate · Terms