Mark Clem

Person

Friend of John Clarke and endurance athlete, who will be a guest on John's podcast. Compared to David Goggins.

Mentioned in 1 video

Videos Mentioning Mark Clem

John Clarke: The Art of Fighting and the Pursuit of Excellence | Lex Fridman Podcast #143

John Clarke: The Art of Fighting and the Pursuit of Excellence | Lex Fridman Podcast #143

Lex Fridman

Friend of John Clarke and endurance athlete, who will be a guest on John's podcast. Compared to David Goggins.