If you ever get a chance to read the book “Born to Run” it covers this group of super athletes who would run hundreds of miles barefoot through Copper Canyon in Mexico.

https://www.runnersworld.com/runners-stories/a20954821/born-to-run-secrets-of-the-tarahumara/ nostr:note15vc9lkzm575afjx6gen4ga208hunjnqkj47gvr35zxp2ddvxsscs3kj5ds