The organizers will provide nutrition support to the athletes at five (5) aid stations along the course, as follows: 1) at 8,500 meters, 2) at 17,000 meters, 3) at 23,000 meters, 4) at 30,000 meters, and 5) at 35,000 meters. At these aid stations, water, soft drinks (e.g., Coca-Cola), fruits, salty and sweet snacks, and at some stations, isotonic electrolyte drinks, will be offered.