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The Speed Project is one of the most unusual events in running—an unsanctioned, no-rules relay that sends teams roughly 340 miles from Los Angeles to Las Vegas (and now across Europe from Chamonix to Marseille). Josh sits down with founder Nils Arend on a rugby field in Albi, France at midnight to talk about how TSP began and why it has become something far bigger than a race.
What started as an extreme endurance challenge through desert heat, sleepless nights, and relentless miles has evolved into a powerful community. The conversation explores the origin story of The Speed Project, the transformations it sparks in participants, and how this underground event created a culture and identity that exists outside the traditional ultrarunning world.
For runners fascinated by the stories, people, and ideas pushing the edges of endurance.
Please give us a follow, rate the podcast, and give a review.
Topics / TimestampsPresented by Kiprun.
----
Find us at Borderlands.cc and sign up for the newsletter.
Want to run in the Salt Lake area? Check out the Salt Lake Foothills Trail Races happening May 30, 2026.
And if you haven't checked out Wylder yet, it's worth a look. iOS or Android
By Josh Rosenthal | Ultra Runner4.8
4949 ratings
The Speed Project is one of the most unusual events in running—an unsanctioned, no-rules relay that sends teams roughly 340 miles from Los Angeles to Las Vegas (and now across Europe from Chamonix to Marseille). Josh sits down with founder Nils Arend on a rugby field in Albi, France at midnight to talk about how TSP began and why it has become something far bigger than a race.
What started as an extreme endurance challenge through desert heat, sleepless nights, and relentless miles has evolved into a powerful community. The conversation explores the origin story of The Speed Project, the transformations it sparks in participants, and how this underground event created a culture and identity that exists outside the traditional ultrarunning world.
For runners fascinated by the stories, people, and ideas pushing the edges of endurance.
Please give us a follow, rate the podcast, and give a review.
Topics / TimestampsPresented by Kiprun.
----
Find us at Borderlands.cc and sign up for the newsletter.
Want to run in the Salt Lake area? Check out the Salt Lake Foothills Trail Races happening May 30, 2026.
And if you haven't checked out Wylder yet, it's worth a look. iOS or Android

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