What happens to your body when you run a marathon? | FISSAC

For the Healthy Science Community

High performance , physiology

11 minutes

April 4, 2025

What happens to your body when you run a marathon?

Written by Adrián Castillo G.

Photocredit: Runffwpu

Exercise is good for health, but that your heart can beat more than 35,000 times during a marathon caliber test requires that your body has adapted to an effort in which the cardiovascular system and metabolism stress to extreme limits. What physiological changes occur? How much is necessary to train?

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