https://www.selleckchem.com/pr....oducts/bay-1895344-h 
  Gastrointestinal illness-related (GITill) medical encounters during distance running range from mild to debilitating. The objective is to identify factors that may predict GITill among 21.1km and 56km race starters. This is a cross-sectional analysis of data collected prospectively over 8 years at the Two Oceans 56km and 21.1km races with 153 208 race starters. GITill encounters requiring medical attention on race day were recorded by medical staff. Risk factors associated with GITill explored in univariate models included race