About this episode

Ultra-marathon legend Dean Karnazes shares insights on mental toughness and longevity.

Ultra-marathon legend Dean Karnazes joins the MTNTOUGH Podcast to share his incredible journey from quitting his corporate job on his 30th birthday to run 30 miles, to completing 50 marathons in 50 states in 50 days, and now living in the Greek Blue Zone of Ikaria. Dean opens up about mental toughness, embracing discomfort, the power of community and present-moment living, Greek longevity secrets, and how to stay capable and dangerous into your 60s, 70s, and beyond. Raw wisdom on purpose, risk, and pushing human limits from one of the greatest endurance athletes alive. Join Dustin Diefenderfer, Founder of MTNTOUGH Fitness Lab and creator of the MTNTOUGH+ Fitness App in the top podcast for Mental Toughness and Mindset. (P.S. 🐏 Get Your First Month of MTNTOUGH Free Use Code "MTNPOD" @ https://mtntough.com/.) On this show, we delve into guests' purpose, mentality, and mental toughness so you can learn from the best of the best. Whether you're a seasoned backcountry hunter, an outdoorsman, or simply someone who wants to level up your mindset, this is your go-to source for inspiration, expert insights, campfire tales, entrepreneurship, and stories of perseverance and…

People in this episode

Host: Dustin Diefenderfer

Guest: Dean Karnazes

Topics covered

• ultra-marathon
• mental toughness
• longevity
• community
• endurance sports

Keywords

• Dean Karnazes
• ultra-marathon
• longevity
• mental toughness
• Ikaria
• endurance

Sponsors

MTNTOPS Supplements

Mentioned in this episode

Organizations: MTNTOUGH Fitness

Products: MTNTOPS Supplements

Places: Greece, Ikaria

More episodes of MTNTOUGH Podcast w/ Dustin Diefenderfer

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• Mark Huelsing: The Mindset That Separates Elite Hunters From Everyone Else | MTNPOD #169 · May 25, 2026 · 1h 2m
• Fred Eichler: Closest to Death in Africa & Why He Still Hunts Recurve | MTNPOD #167 · May 11, 2026 · 58 min

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