It may be true that thirst is one of the first signs of dehydration, but if you're anything like me it takes some effort to drink enough water throughout the day, especially when it's time to work out. Not drinking enough water, however, can mess with an exercise routine, preventing you from training as hard or as long as you'd like. Make sure you stay hydrated by recognizing these three signs that you need to drink more water when exercising.
Summer workouts can also lead to dehydration, so read our tips on how to stay hydrated while you work out in the Summer heat.