It was incredible': Barefoot runner does half-marathon on frozen

Karim El Hayani appears to have broken a world record for an event that most of us would avoid at all costs: running a half-marathon barefoot on a frozen lake.

Who Is Wim Hof?

Daniel E. Lieberman '86 on Extending 'Healthspan', Scientific Humor, and Running Barefoot Along the Charles, Magazine

54-Year-Old Man's Fastest Barefoot Half Marathon Record on Snow Has Left Internet in Splits: “Hope He Didn't Get Frostbite” - EssentiallySports

How To Run Barefoot - Xero Shoes

How Important Are Running Shoes? - Feet First Clinic

Bruce Tulloh, barefoot runner and biologist, 1935-2018

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Quebec Resident Sets a Record for the Fastest Half Marathon Barefoot on Ice or Snow

Born to Run: The hidden tribe, the ultra-runners, and the greatest race the world has never seen eBook : McDougall, Christopher: Books

Josef Šálek is the new world record holder in the Guinness World Records!

Who Is Molly Seidel? An Inside Look At This Incredible Runner

The incredible cult of Wim Hof — and how ice baths went mainstream