What is the best drink for a long run?
                                
                                
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                                    4 min read                                
                            
                                Dehydration of as little as 2% of body mass can impair endurance exercise performance and negatively affect cardiovascular function and body temperature regulation. This makes knowing what is the best drink for a long run crucial for both performance and health, ensuring your body has the right fuel and fluid balance to go the distance.