
Some plans will give each days run, specifying distance and pace. 1 Ultramarathon and marathon plans compared. Though all four are undefeated, three must break and only one can remain Unbreakable. 3 Hal Koerners Field Guide to Ultrarunning. An epic showdown ensues, from Squaw Valley, CA in Lake Tahoe, up though the high snow covered Sierra Nevada Mountains, down through the extreme heat of the American River Canyons and finishing in Auburn, CA.

A win will require breaking the course record and running the fastest time in the history of the race. While their lives may be quite different, the goal is the same: win the Western States 100-mile run. Kilian Jornet, the young mountain runner and two time Ultra-trail du Mont-Blanc champion, from Spain. Anton Krupicka, undefeated in every ultramarathon he has ever started, a graduate student living in Boulder, Colorado. Geoff Roes, undefeated at the 100-mile distance, an organic chef from Juneau, Alaska. Hal Koerner, two time defending Western States champion, and running store entrepreneur from Ashland, Oregon.


Unbreakable: The Western States 100 follows the four lead men on this amazing journey.
