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Winter trail hydration: how to stay properly hydrated in cold weather
Stay well hydrated when trail running in cold weather: the right habits to prevent fatigue and cramps this winter.
Sweat rate: the weigh-in test to find out how much to drink during exercise
The simple test to calculate how much you lose through sweat and drink just enough during exercise.
Hyponatremia: when drinking too much water becomes dangerous during a race
Drinking a lot does not mean hydrating properly. Here’s how to recognize and prevent hyponatremia while running.
Running hydration: how much to drink based on your distance
How much to drink during a 10K, half marathon, or marathon—and what to put in your bottle.