EUGENE, Ore. — Newly renovated Hayward Field sits in the middle of the University of Oregon campus, its futuristic exoskeleton rising above the aging brick buildings like a spaceship. It cost Phil Knight and friends $300 million, and it includes a 5,000-square-foot video board, a 10-story tower with a hall of fame, luxury boxes for Nike execs, covered training areas under the seats, a three-lane urethane running track circling the concourse, majestic curved wooden beams supporting the roof. This is where the World Athletics Championships — the colonists call it track and field — opened Friday …
