Glycogen: Your Fuel During Running

Posted: October 21, 2007 in marathon, marathon running

Carbohydrates that a person eats are converted by the liver and muscles into glycogen for storage. Glycogen burns quickly to provide quick energy. Glycogen is what fuels your body during a marathon race.

Just like a car if the gas/petrol runs out, the car will stop, unless you get somebody to push it. The same thing with our bodies as your glycogen levels drop your performance drops.

No. of Calories Your Body Requires

Our bodies store about 2000 calories worth of glycogen in our bodies. This is enough for about a 30K run. No wonder most of us hit the wall after the 30K mark.  

When glycogen runs low, the body must then burn stored fat for energy, which does not burn as easily.

If you want to preserve your glycogen levels you must learn how to maximise your glycogen use during running.  

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