What Not to Eat Before a Swim Race: A Swimmer's Guide to Peak Performance
                                
                                
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                                    4 min read                                
                            
                                Up to 90% of endurance athletes report experiencing some form of gastrointestinal issues during competition, making smart pre-race nutrition critical. Knowing what not to eat before a swim race is the first step toward avoiding painful cramps, nausea, and digestive problems that can sabotage your performance.