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The importance of hydration in ultra-running

Hydration is one of the most important factors in ultra running. Ultra running refers to any race that covers a distance longer than 42.195 kilometres or 26.219 miles. These distances can range from 50 kilometres to 100 miles or longer. With distances that long, staying hydrated can be challenging, especially in hot and humid conditions.

Why Hydration is Important in Ultra Running?

When you run, your body produces heat, and to regulate that heat, your body sweats. Sweat is the body’s natural cooling mechanism. However, when you sweat, you lose fluids and electrolytes, which are essential for your body to function properly. Hydration is essential in ultra running because your body needs water to replace the fluids you lose through sweat and to maintain proper function.

The Effects of Dehydration

One of the biggest risks of not staying hydrated is dehydration. Dehydration can cause a host of health issues, including overheating, cramping, and electrolyte imbalance. In severe cases, dehydration can lead to heat exhaustion or heatstroke, which can be life-threatening.

How to Hydrate Properly during Ultra Running?

To hydrate properly during ultra running, it is important to start hydrating before the race. Start drinking water a few hours before the race to ensure that your body is properly hydrated. During the race, try to drink water every 15-20 minutes, even if you are not thirsty. This will help ensure that your body stays hydrated.

In addition to water, electrolytes such as sodium, potassium, and magnesium are also essential for hydration. Sodium is lost in sweat, and it helps your body retain water. Potassium helps with muscle function and regulates fluid balance in the body. Magnesium helps with energy production and muscle function.

You can replenish electrolytes by drinking sports drinks or eating foods that are high in sodium and potassium, such as bananas or salty snacks. It is also a good idea to carry a hydration pack or water bottles to keep water and electrolyte solutions easily accessible during the race.

Lastly, it is important to listen to your body. If you are feeling thirsty or noticing signs of dehydration such as dry mouth or dark urine, it is time to drink water or electrolyte solutions immediately.

Hydration is crucial for ultra runners. It helps maintain proper function and avoid the risks of dehydration. By drinking water and electrolytes regularly, carrying a hydration pack, and listening to your body, you can ensure that you stay hydrated during the ultra-running race. Proper hydration is key to success in ultra running, so make sure to hydrate well and cross that finish line with ease.


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