Western States Endurance Run
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The Western States Endurance Run, known commonly as the Western States 100 or Western States, is a 100.2-mile ultramarathon that takes place on California's Sierra Nevada Mountains trails each year on the last full weekend of June. Wikipedia
Location: Olympic Valley, California; Auburn, California
Course records: Men: 14:09:28 (2019); Jim Walmsley; Women: 15:29:34 (2023); Courtney Dauwalter
Date: Last weekend of June
Distance: 100.2 miles (161 km)