This condition can be as harmful as dehydration and a trip to the hospital is often the result. Thus, the need for proper electrolyte replacement. Electrolytes Electrolyte imbalance can not only impact performance, it can be life threatening. Most people realize electrolyte replacement is important, but fail to realize how much damage an imbalance can cause in an ultra. Runners with an electrolyte imbalance can lose many of their motor skills and become disoriented.
Electrolytes are essential to the function of all living cells within the body.
In an ultra, this can result in a loss of 20 to 40 grams. The consequences of failing to replace these electrolytes are extremely high. Energy drinks contain some amount of electrolyte. It's best to compare and choose one that supplies more than one that supplies little. Even these drinks cannot supply the total requirement.