Where are the ultra aid stations located, and what will be provided? 
Ultra aid stations are located at 11 locations along the course (see the course map). The stations are spaced 2.8 to 5.6 miles apart and designated by "Ultra Feed Zone" signs.  See Food, Drink & First Aid for a list of what will be provided.

For runners using drop bags, bags provided in advance by runners will be delivered to aid stations 1, 3, 5, 7, 9, and 11. Support vehicles can access all of the stations. Support vehicles should not stop along the course except at these station locations. Race officials at each zone will be equipped with long-range radio and in communication with emergency medical teams on the course.