"In May 2011, unbeknownst to his owner, [Goldendoodle] Dozer slipped out of his yard in Highland, Maryland, enticed by the sight of people running past. The runners were participating in the Maryland Half Marathon, a race benefitting the University of Maryland Greenebaum Cancer Center. Dozer joined the two thousand runners in the race, inspiring everyone along the thirteen-mile race course"--Dust jacket flap.