Hal Koerner has raced ultramarathons across the globe and set fastest known time records on the Colorado Trail and the John Muir Trail. He was featured in the 2011 film Unbreakable: The Western States 100 and in 2014 was called "The Happiest Runner on Earth" by Outside magazine.
Josh Bloomberg has recorded audiobooks for most of the major publishers, lending his voice to many different genres. His versatility and acting background have helped him access the styles needed for a variety of works.
Adam W. Chase is a sports writer, trail runner and ultramarathoner, adventure racer, and Ironman triathlon finisher.
Scott Jurek is a world-renowned ultramarathon champion who trains and races on a vegan diet.