Altitude Hydration Adjustments Living and training at 7,100 feet in Colorado Springs changes how your body handles water. The air is dry. Every time you exhale, you lose moisture. The thirst mechanism that works reasonably well at sea level gets blunted at altitude, so you can be significantly dehydrated without feeling thirsty. I've seen athletes who drank "a lot of water" show up to a hard workout already behind. Here's the real-world impact: a runner who moves from Denver to sea level...

Altitude Hydration Adjustments Living and training at 7,100 feet in Colorado Springs changes how your body handles water. The air is dry. Every time you exhale, you lose moisture. The thirst mechanism that works reasonably well at sea level gets blunted at altitude, so you can be significantly dehydrated without feeling thirsty. I've seen athletes who drank "a lot of water" show up to a hard workout already behind. Here's the real-world impact: a runner who moves from Denver to sea level...