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marathon nutrition analysis

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enter your marathon details and we will calculate your energy usage and calorie, hydration and electrolyte needs
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marathon time
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WEATHER*

required to calculate the amount of energy used
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Age is used for metabolic equivalent (METs) calculations

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add for moderate
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add for based on weight, adds 1 oz at 100 lbs, 5 oz at 150 lbs and 15 oz at 250 lbs
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6% carb solution using just sugar
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Based on age
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Click above and we’ll generate your marathon analysis.

Virtually all sports drinks are loaded with sugar and they shouldn’t be! Whether you decide to use e-Fuel or not, let us show you how complex carbs are the key to improving your performance.

e-Fuel is loaded with complex carbs, low in sugar and provides balanced electrolyte replacement to maintain hydration and help avoid cramping and injuries. e-Fuel also has NO artificial flavors, colors or sweeteners – it’s Just Clean Energy!

e-Gel is loaded with complex carbs and has half the sugars of GU and other leading energy gels and it’s the only Electrolyte Energy Gel with 4 times the sodium and double the potassium. And, with 150 carbohydrate calories, e-Gel packs 50% more energy than most competing energy gels. Get more energy, no sugar BONKS and complete electrolyte replacement to avoid cramping and injuries!