Unbreakable: The Western States 100 (2012) 2012, Adventure, Biography, Documentary, United States Unbreakable: The Western States 100 (2012) Duration: 1H46M Description: In 2010, four of the greatest undefeated mountain runners on earth toed the starting line at the Western States 100-mile endurance run, the oldest and most prestigious 100-mile foot race in the world. While their lives may be quit….. Trailer ↗ United States 2012 Documentary Adventure Biography