sentences:  The effort, which included many injuries and obstacles, was chronicled in the 2010 movie, "Running America".Ulrich's 2011 memoir, "Running on Empty", gives more of the backstory of the transcontinental run, tells of his other extreme endurance adventures, and reveals his psychological drivers.Brian Metzler of "Running Times" called the book "a sincere original" with "candid tales about the loss of his first wife to cancer, his personal challenges of being a parent and rediscovering how to love later in life, as well as overcoming a mountain of self-doubt and insecurity" .