Borderlands Trail and Ultra Running7 Jan

Ultra Running with Dean Karnazes: Simplicity, Letterman and Legacy

Ultra running has changed dramatically over the past few decades, but Dean Karnazes still believes the heart of the sport is simple. In this episode, Josh sits down with one of ultra running’s most recognizable figures to talk about the philosophy that’s guided him through decades of running: at the end of the day, it’s still just a pair of shoes and a place to run.

Dean reflects on the impact running has had on his life and the lives of countless runners he’s inspired through his books, stories, and global advocacy for the sport. The conversation wanders through his unforgettable appearances on Conan O’Brien, David Letterman, and the ESPYs, while also exploring how ultra running has evolved—and why its rapid growth is ultimately a good thing for everyone who laces up.

For runners who believe the simplest act—putting one foot in front of the other—can change everything.

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Topics / Timestamps

00:00 The Roots of an Ultra Runner
03:15 Conan O'brien appearance
05:02 Western States
09:34 Dean's Best WSER Finish
11:47 David Letterman appearance
16:43 The Next Quest: From Badwater to Everest
22:45 Promoting Sports Tourism in Greece
29:16 ESPY Award
31:59 Badwater: A Test of Endurance
33:57 The Dirtbag Spirit in Ultra Running
35:58 The Essence of Running and Its Impact

Presented by Kiprun.

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Want to run in the Salt Lake area? Check out the Salt Lake Foothills Trail Races happening May 30, 2026.

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