Nearly 90% of endurance athletes experience gastrointestinal distress during competition, yet most runners spend countless hours training their legs while completely ignoring their gut. If you’re targeting your next half marathon, marathon, or ultra-distance event, your digestive system needs just as much preparation as your cardiovascular system. The difference between a personal best and a […] The post Gut Training: Fix 90% of Runner GI Issues (Science Guide) first appeared on Runners C...
