Understanding How Many Glasses of Water Before a Workout Is Optimal
                                
                                
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                                    4 min read                                
                            
                                According to the American Council on Exercise, a person should drink 17-20 ounces (about 2-2.5 glasses) of water a few hours before exercising. However, pinpointing exactly how many glasses of water before a workout is right for you depends on several key factors, including exercise intensity, duration, and personal physiology.