What does it mean when you experience severe stomach cramps during a run?

What does it mean when you experience severe stomach cramps during a run?

1. Introduction Experiencing severe stomach cramps during a run usually means that blood flow has been diverted away from your digestive tract to supply oxygen to your working muscles. This sudden ischemia, combined with the mechanical jostling of your internal organs and dehydration, triggers painful spasms in the intestinal wall. Adjusting your pre-run nutrition and … Read more