And what we don't know yet.
From how to stay hydrated to what produce to stock up on—these tips will help you maximize your running during the summer months.
A registered dietitian and marathoner offers her best summer hydration tips for runners.
Ever get a sudden, intense, throbbing headache, on both sides of your head, during or after a workout or race? You’re not crazy.
Upset stomach when you use sports products? These may help.
How your gut works dictates how the rest of your body, including your mind, works.
From hydration packs and vests to water bottles and belts, these are our favorite hydration systems to help keep you fueled no matter how many miles you're tackling.
Elite runners from four infernos share eight tips on staying tough and training smart in hot and humid weather conditions.
A refreshing post-run recipe from nutrition coach, chef, and two-time New York Times best-selling author Elyse Kopecky.
Best-selling cookbook author Elyse Kopecky explains why what you eat is just as important as what you drink when it comes to proper hydration.
A new study shows how milk, more than sports drinks or water, can help exercise-induced dehydration.