The 2008 United States Olympic trials for track and field were held at Hayward Field in Eugene, Oregon. Organised by USA Track and Field, the ten-day competition lasted from June 27 until July 8 and served as the national championships in track and field for the United States. The trials for the men's marathon were held November 3, 2007 in New York City, the women's marathon were held April 20 in Boston and the trials for the men's 50 km race walk were held February 9 in Miami, Florida.