The Western States Endurance Run, commonly referred to as WSER, is one of the oldest and most prestigious ultramarathon races in the world. Founded in 1974, it covers a 100-mile course from Squaw Valley, California to Auburn, California, passing through the Sierra Nevada and Cascade ranges. The terrain is rugged, with punishing climbs and descents, and the weather is usually hot and unforgiving. Running the WSER is considered the ultimate test of endurance, and thousands of ultra-runners from around the […]