Marathon chemistry: The science of distance running

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Marathon Chemistry the Science of Distance Running

Marathons are tough.

Athletes push their bodies for miles and deal with cramping, dehydration and every runner’s worst fear: that extreme form of fatigue called “hitting the wall.”

Why is distance running so difficult?

With the New York City Marathon kicking off this Sunday, Reactions runs through the science of distance running: why muscles burn, how sweat cools the body and the chemistry of runner’s high.

Reactions is a series from the American Chemical Society that uncovers the chemistry in everyday life.

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News source: American Chemical Society.
Figure legend: This Knowridge.com image is credited to American Chemical Society.