pOn his seventieth birthday in 1909, a slim man with a shock of white hair, a walrus mustache, and a spring in his step faced west from Park Row in Manhattan and started walking. By the time Edward Payson Weston was finished, he was in San Francisco, having trekked 3,895 miles in 104 days. ppWeston's first epic walk across America transcended sport. He was everyman in a stirring battle against the elements and exhaustion, tramping along at the pace of someone decades younger. Having long been America's greatest pedestrian, he was attempting the most ambitious and physically taxing walk of his career. He walked most of the way alone when the car that he hired to follow him kept breaking down, and he often had to rest without adequate food or shelter. That Weston made it is one of the truly great but forgotten sports feats of all time. Thanks in large part to his daily dispatches of his travails--from blizzards to intense heat, rutted roads, bad shoes, and illness--Weston's trek became a