Final Prefontaine Classic at Hayward Field called 'bittersweet'

These artist's renderings show the plans for a completely renovated Hayward Field at the University of Oregon in Eugene. The stadium is scheduled to open in April 2020 ahead of Eugene hosting the 2021 World Outdoor Track & Field Championships.(EUGENE -- Matthew Centrowitz has one of the deepest associations with the stadium that will hold the star-studded Prefontaine Classic for the last time.

His father, Matt Centrowitz, competed at Hayward Field as a collegian for Oregon at the beginning a career that saw him run in two Olympics. Decades later in 2007, the younger Centrowitz followed his father to UO, where he trained on the track when it was empty and won NCAA titles when it was packed.…