Gastrointestinal issues during races often result from a combination of dehydration and poorly tolerated fuels, such as high-concentration sugar gels during prolonged endurance exercise. It’s important to time your hydration and fueling consistently every 15–20 minutes from the start. to stay ahead of dehydration and support digestion.

We also use “gut training” strategies to gradually improve your tolerance to fluids and fuel during exercise, helping to reduce symptoms and improve race-day comfort.