UltraRunning: Western States 100 Miles Endurance Run website Squaw Valley, CA Squaw Valley CA The Western States Endurance Run is one of the oldest ultra trail events in the world and certainly one of the most challenging. The Run is conducted along the Western States Trail starting at Squaw Valley, California, and ending in Auburn, California, a total of 100 miles. The trail ascends from the Squaw Valley floor (elevation 6,200 feet) to Emigrant Pass (elevation 8,750 feet), a climb of 2,550 vertical feet in the first 4.5 miles. From the pass, following the original trails used by the gold and silver miners of the 1850s, runners travel west, climbing another 15,540 feet and descending 22,970 feet before reaching Auburn. 100m R M34 15:07:04 Geoff Roes 2010 100m 1 M34 15:07:04 Geoff Roes 100m 2 M26 15:13:52 Anton Krupicka 100m 3 M22 16:04:50 Kilian Jornet Burgada 100m 0 F33 17:37:51 Ann Trason 1994 100m 1 F41 19:01:55 Tracy Garneau 100m 2 F49 19:15:58 Meghan Arbogast 100m 3 F39 19:23:09 Nikki Kimball www.realendurance.com, Gary Wang