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Right to left: Steve Prefontaine leads Len Hilton, George Young and Terry Harrison in the men's 1500 metres event during the United States Olympic trials in Eugene, Oregon, circa July 1972. Prefontaine won the trial in a US record and went on to place 4th in the Olympic men's 1500 metres final. (Photo by Ed Lacey/Popperfoto via Getty Images/Getty Images)

Right to left:  Steve Prefontaine leads Len Hilton, George Young and Terry Harrison in the men's 1500 metres event during the United States Olympic trials in Eugene, Oregon, circa July 1972.  Prefontaine won the trial in a US record and went on to place 4th in the Olympic men's 1500 metres final. (Photo by Ed Lacey/Popperfoto via Getty Images/Getty Images)