His performances are unthinkable, but also seemingly self-evident. Usain Bolt is a sprinter, after all; his work is timed to the thousandth of a second. Within five days last week at the world track and field championships in Berlin—a deeply significant site in the sport’s history—Bolt crushed his own year-old world records while winning both the 100 and 200 meters. The numbers speak in track’s most eloquent tongue.
by Tim Layden|SI