The Hidden Danger of Drinking Too Much Water During Exercise: How Over-Hydration Can Flush Out Critical Sodium

The Hidden Danger of Drinking Too Much Water During Exercise: How Over-Hydration Can Flush Out Critical Sodium

The well-intentioned advice to “drink as much as possible” during exercise can backfire spectacularly in hot weather. Excessive plain water consumption dilutes blood sodium to dangerous levels, a condition called exercise-associated hyponatraemia that affects not just ultramarathoners but casual gym-goers too. Here’s what your body actually needs.

Stop Drinking Water Wrong: The 35°C Heat Hydration Strategy Amateur Runners Need

Stop Drinking Water Wrong: The 35°C Heat Hydration Strategy Amateur Runners Need

Most amateur runners hydrating in 35°C heat commit the same dangerous mistake: drinking too much plain water without electrolytes. This can trigger exercise-associated hyponatremia, a condition more common than heat exhaustion itself. The solution isn’t more water—it’s smarter hydration with sodium.

The Hydration Mistake Every Summer Runner Makes: What a Marathon Coach Revealed

The Hydration Mistake Every Summer Runner Makes: What a Marathon Coach Revealed

For years, you’ve grabbed a glass of water before heading out for your summer run—but a marathon coach reveals this common ritual is costing you performance. The secret isn’t drinking more water; it’s understanding when, what, and how much to hydrate. Learn the one change that transforms your summer running.