Earlier today best-selling author and huge track fan Malcolm Gladwell wrote, "(Matthew Centrowitz) doesn’t even belong in the same conversation as, say, Nick Willis, who never won gold but nonetheless was a threat to win every big race he entered for a good 10 years." What a ridiculous statement. We had to set the record straight.

• MB: Malcolm Gladwell says Matthew Centrowitz “doesn’t even belong in the same conversation as, say, Nick Willis.” Do you agree?
• For Global Running Day: A Conversation Between Malcolm Gladweel & David Epstein About Their Favorite Sport

David Epstein, author of The Sports Gene, has struck up a relationship with the great Roger Bannister. Hear what Bannister has to say about genetics and running and back the new Bannister film: Bannister: Everest On The Track on Kickstarter.

Every wonder how guys or gals on a cross-country/track team can "run next to one another, stride for stride, day after day, and nonetheless turn out" entirely differently in terms of results? David Epstein has and he explains how it happens in this New York Times best seller.