The four lead men on this amazing journey. Hal Koerner, two time defending Western States champion, and running store entrepreneur from Ashland, Oregon. Geoff Roes, undefeated at the 100-mile distance, an organic chef from Juneau, Alaska. Anton Krupicka, undefeated in every ultramarathon he has ever started, a graduate student living in Boulder, Colorado. Kilian Jornet, the young mountain runner and two time Ultra-trail du Mont-Blanc champion, from Spain.