On June 9 1973
June 5-9, 1973: Oregon’s Steve Prefontaine becomes the first student-athlete to win an NCAA University Division Outdoor Track and Field Championships event four straight years with his victory in the 3-mile run; later in the year, he also becomes a three-time cross country champion.
Sources:
Sources: “In the Arena: The NCAA’s First Century” by Joseph N. Crowley, NCAA News and Champion magazine archives, the NCAA Media Center, and NCAA record books