WASHINGTON — Harvard biologist and runner Daniel Lieberman had a simple question: How did people run without shoes?
Will the first sub 2 hour marathon be run barefoot?
What's the deal with barefoot running? The benefits, risks and shoes
Improve foot health: How to start barefoot walking and running - SAFELY
Can going barefoot build better feet?
What Happened When I Tried Barefoot Running, by Emma Woodward
Why You Should Spend Time Walking Barefoot Every Day, by Markham Heid
Barefoot walking isn't safe, experts say, but some people don't care
The benefits of barefoot walking and running by M.D. Thordis Berger
Barefoot Walking FAQ
What Happened to The Barefoot Running Movement?, by Ryan Fan, Runner's Life
Barefoot - Wikipedia