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How can dehydration affect sports performance?

Michael Bergeron, PhD
Sports Medicine
Your body only needs to be dehydrated slightly to have a negative impact on performance, especially in the heat. Side effects of significant dehydration during sport include decreased performance, strained cardiovascular system, premature fatigue and increased risk for heat illness. This highlights why being properly hydrated before beginning a training session or competition is crucial for your body to perform safely and at its best. A simple way you can determine if you are drinking enough is by looking at the color and volume of your urine. Urine that is darker in color and low in volume can be a sign of significant dehydration. The goal is to have regular urinations that are light yellow in color. If you are making frequent stops at the bathroom with perfectly clear urine, it is probably a sign that you are drinking too much water.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.