Here's What Running Marathons Does to Your Body



It seems like our Instagram and Facebook feeds are flooded with people who are either training for or who have just finished running a marathon. But we've got to hand it to them, especially since running 26.2 miles is definitely no easy feat. The marathon bandwagon also seems like a positive "trend" to jump on, since it gets your heart pounding, your muscles moving, and your blood flowing. However, running so many miles for such a consistent period of time has us wondering if there are any serious bodily dangers involved. To find out more, we turned to John Rowley, the best-selling author of The Positive Power of Fitness ($12), a certified trainer, and the ISSA director of wellness, to get to the bottom of it.

Keep scrolling to learn more.

Want more workout tips? Check out this 15-minute workout that will tone your body in three weeks.

This story was originally published on November 25, 2015.