What happens to the body during a marathon?

What happens to the body during a marathon? A long-distance race requires a lot of training. With an official distance of 42.195 km, what happens to the body during a marathon? What are the strategies used to help runners complete the race? What is the science as you run a marathon? If you ran one – or tried to – you will know how difficult it is to finish the race. Your muscles undergo tremendous amounts of stress and repetition which makes the run more difficult as you go. As well, a lot of energy is needed, which is why runners often load themselves with carbs the day before. Watch the video below to learn more about the body during a marathon: https://www.youtube.com/watch?v=AbigOBlkVMU