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Many athletes, including the veteran athletes, have experienced some form of stomach distress in training or in a race. Here are a few ways to help:
- Remove all processed simple sugar based fuels from your training and events. Processed simple sugars create havoc on the entire digestive system and body, which increases the stress placed on the body.
Further Reading: Fructose Sweeteners Negatively Impact Blood Sugar and Lipid Metabolism Inhibiting Energy Production and 146 Reasons Sugar Ruins Your Health - Try to run on an all-liquid diet for events under 24 hours in duration as solid food slows down the digestive system and removes blood from the working muscles.
Further Reading: Guide to Success - Reduce the number of calories consumed in an hour. Yes you might be burning 800 calories an hour, but trying to replace even half of that is too many calories.
Further Reading: The 10 Biggest Mistakes Endurance Athletes Make - Again, less is more. Less calories, and less fluid from high quality sources will help with the overall processing by the body reducing the possibility of stomach distress.