Runners tried for years to break the four-minute mile and it was considered by many to be physically impossible. On May 6th, 1954, Roger Bannister ran 3:59.4, but he had the humility to know it was only a matter of time before others did too. “Après moi, le déluge,” he is rumored to have said after crossing the finish line. “After me, the flood.” He was right. Weeks later Australian John Landy ran 3:57.9, and today more than a thousand have hit the mark.

Our latest limited-edition Grayboy graphic is a reminder that, when it comes to breaking barriers,

“It is the brain, not the heart or lungs, that is the critical organ.”