The world’s best return to Hayward Field September 2023 @wchoregon22 gave us 10 days of unforgettable moments. It was the perfect ending to the greatest track and field year in the history of Oregon. Mark your calendar. The world’s best athletes will return to Hayward Field in September 2023 to be crowned @diamondleagueathletics champions. If you loved Oregon22, you will not want to miss this special edition of The Prefontaine Classic. #PreClassic