Plain 100 Mile

A self-supported 100-mile journey through the remote backcountry of the North Cascades near Lake Wenatchee, Washington. Two lollipop loops depart from Deep Creek Campground with no course markings, no aid stations, and no pacers — runners navigate by map and written directions alone across USFS trails and forest roads. The course accumulates roughly 21,000 feet of elevation gain passing through the Wenatchee, Entiat, and Chelan ranger districts, climbing as high as 6,834-foot Klone Peak. A single resupply stop is permitted at Deep Creek between loops. Often described as one of the hardest 100-milers in the world, Plain has cancelled multiple times due to Cascade wildfires, adding an element of uncertainty to this raw wilderness endurance test.