On March 31, 1929, seventy-seven men began an epic 3,554-mile footrace across America that pushed their bodies to the breaking point. Nicknamed the "Bunion Derby" by the press, this was the second and last of two trans-America footraces held in the late 1920s. The men averaged forty-six gut-busting miles a day during seventy-eight days of nonstop racing that took them from New York City to Los Angeles. Among this group, two brilliant runners, Johnny...