by Sharecare, Inc.

You’ve trained and now you are ready to conquer 26.2 miles.

By the time you get to a marathon event, you should know what you could tolerate in terms of what to drink. It’s important to drink sports drinks, not just water. The carbs in sports drinks help restock the body’s spent energy.

Most of these drinks will also replace the electrolytes lost to sweat, helping prevent hypernatremia (low blood-sodium level caused by excessive water intake). Sports drinks could also diminish the need for gels, which are more likely to cause stomach upset.