The 2004 Olympic Marathon Trials took place on November 7, 2003, in New York City. This event determined the U.S. athletes who would compete in the 2004 Athens Olympics marathon. The trials featured both men's and women's races, with the top three finishers in each category earning a spot on the Olympic team. In the men's race, Meb Keflezighi won, followed by Ryan Hall and Dathan Ritzenhein. For the women, Deena Kastor secured first place, with Marla Runyan and Shalane Flanagan finishing second and third, respectively. These athletes represented the U.S. in the marathon at the Athens Games.