50 years ago,

three-time Olympian Jim Ryun set the outdoor mile world record1 in track and field, the last American man to hold this iconic mark.

ELLEN J. HORROW AND JANET LOEHRKE, USA TODAY 1– On June 23, 1967, Ryun ran 3:51.1 in a meet in Bakersfield, Calif. The record stood until until May 17, 1975. SOURCE BringBacktheMile.com