Por un escritor de hombre misterioso
Navy SEAL and endurance athlete, David Goggins, joins the Finding Mastery podcast to share his quest to become the hardest human alive.
World's Toughest Races: These Are the Hardest Races in the World
USC vs. UCLA: O.J. Simpson's legacy leaves tangled emotions 50 years after 'Game of the Century' – Orange County Register
Four 80-year-old men finished a 100-mile ultramarathon. Here's how. - The Washington Post
64: The Hardest Human Alive, Ultra Runner
Ultra runs: The world's longest, hardest & toughest
Will I Ever Qualify for the Boston Marathon?
Running: How to teach kids to sprint correctly – Active For Life
There Is Magic in Suffering' — The Allure of the Ultramarathon
Fitness challenges for the new year: long walks, steep hikes - Los Angeles Times