![](https://image.tmdb.org/t/p/w154/8FNAmfl9hNHSbDfUWJcKtbIKOWT.jpg)
Ultramarathon runners Ben Clark, Anna Frost and Tim Olson travel to Bhutan's high Himalayan landscape to try and set a speed record on the world's hardest trek.
Tim Olson,
Anna Frost,
Benjamin Clark,
Chris Ord
Added on Amazon Prime 2022-05-28.