Watch StreamingCommunity. Out There is the story of Belgian ultrarunner Karel Sabbe, who holds the world records on two of the most epic trails in the world: the 4279km long Pacific Crest Trail and the 3500km long Appalachian Trail. How did setting these world records prepare Karel for a race as brutal as The Barkley Marathons? How did these adventures help Karel to find the necessary mindset to do well at this Spartan challenge?