Hyponatremia has turn into a trouble in high stamina events such as marathons, ultramarathons, hiking and extended military marches. Athletes want to drink habitually, for instance during a lengthy race, to stop dehydration, but excess water can guide to hyponatremia.┬áHyponatremia is a situation that happens when the stage of sodium in your blood is unusually low. Sodium is an electrolyte, and it assists regulate the amount of water that’s in and around your cells.