Question: When did the namesake of Pre's Trail, located on the north side of the Willamette River in Eugene, Oregon, United States, popularly referred to as "Track Town USA", is a four-mile-long running and walking trail named after a heralded University of Oregon athlete die?
Sentence (from "Steve Prefontaine"): Prefontaine once held the American record in seven different distance track events from the 2,000 meters to the 10,000 meters.
Relevant evidence: No