Hayward Field is a track and field stadium in the Northwestern United States, located on the campus of the University of Oregon in Eugene, Oregon. It has been the home of the university's track and field teams since 1921, and was the on-campus home of the varsity football team from 1919 through 1966. Track and field competitions at the stadium are organized by the not-for-profit organization TrackTown USA.

William Louis "Colonel Bill" Hayward was a track and field coach at the University of Oregon for 44 years, and a track coach for six United States Olympic teams, from 1908 through 1932.