The Western States 100-Mile Endurance Run is the worlds oldest 100-mile trail race. Starting in Squaw Valley, California near the site of the 1960 Winter Olympics and ending 100.2 miles later in Auburn, California, Western States, in the decades since its inception in 1974, has come to represent one of the ultimate endurance tests in the world.
Following the historic Western States Trail, runners climb more than 18,000 feet and descend nearly 23,000 feet before they reach the finish line at Placer High School in Auburn. In the miles between Squaw Valley and Auburn, runners experience the majestic high country beauty of Emigrant Pass and the Granite Chief Wilderness, the crucible of the canyons of the California gold country, a memorable crossing of the ice-cold waters of the main stem of the Middle Fork of the American River, and, during the latter stages, the historic reddish-brown-colored trails that led gold-seeking prospectors and homesteading pilgrims alike to the welcoming arms of Auburn.
With more than 1,500 dedicated volunteers, offering the sports oldest and most prized possession a sub-30-hour finishers bronze belt buckle or a sub-24-hour finishers silver belt buckle and owning 100-mile racings richest and most compelling history, Western States remains one of the undisputed crown jewels of human endurance.
How to enter the The Western States 100 Mile Endurance Run
- Run 100mi
The Western States 100 Mile Endurance Run route
The Western States Endurance Run is conducted along the Western States Trail starting at Squaw Valley, California, and ending in Auburn, California. The Run begins at 5:00 a.m. on Saturday of the last full weekend in June at the west end of Squaw Valley. Runners must reach the finish line no later than 10:59:59 a.m. on the following day in order to be eligible for an award. All entrants must strictly adhere to the Performance Rules, Rules for Pacers, Rules for Crews and to the pre-event briefing by Run Management to avoid disqualification and to remain eligible for an award.
The Western States Endurance Run follows the middle portion of the famous Western States Trail, a nationally dedicated recreational trail that stretches from Salt Lake City, Utah, to Sacramento, California. One of the most arduous organized running events in the U.S., the Western States 100 is truly the “Ultimate Challenge” for the long distance runner. Entry in this event should not be taken lightly!
Beginning in Squaw Valley, site of the 1960 Winter Olympic Games, the trail ascends from the valley floor (elevation 6,200 feet) to Emigrant Pass (elevation 8,750 feet), a climb of 2,550 vertical feet in the first 4½ miles. From the pass, following the original trails used by the gold and silver miners of the 1850’s, runners travel west, climbing another 15,540 feet and descending 22,970 feet before reaching Auburn, a small town in the heart of California’s historic gold country. Most of the trail passes through remote and rugged territory. People who are unfamiliar with the area should use caution when planning training runs, especially in the high country. Before leaving, let someone know where you will be running and when you will return. REMEMBER THAT MUCH OF THIS TERRITORY IS ACCESSIBLE ONLY BY FOOT, HORSE OR HELICOPTER.
The Western States 100 Mile Endurance Run weather forecast
Clear throughout the day.
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