capacity of 4,300 spectators, was ready for use in March 1975. The Prefontaine Classic originated as the "Hayward Field Restoration Meet" to help raise funds for a new Conversion to metric The track was converted to metric in the summer of 1987, its lap length changed from to 400 meters, a reduction of . The geometry of the track was changed to the international configuration, with shorter straights and longer turns. This widening of the infield required the relocation of the , 500-ton east grandstand, which was raised and moved east in March. The surface was again Pro-Turf, but with different surface properties; a textured top layer and a reddish color. In addition, a 200 m warmup track was added to the southwest of the main track, along with a new hammer throw area and a weight room facility. A state-of-the-art scoreboard was added in 1991, which gave unofficial times and competitors' placings just seconds after race completion. This project was completed with a great deal of help from the Oregon Track Club as well as the efforts of many others. Bill McChesney SR who is the father of the Oregon 5K record holder and 1980 Olympian, Bill McChesney, was president of the OTC at the time and was one of the key members of the community that made this project possible. Stadium redevelopment: New Hayward Field (2020) A major renovation in 2004 added a new entrance named Powell Plaza. It also moved the practice track, expanded it to 400 meters, and replaced the aging fencing bordering the complex. After Hayward Field was awarded the 2008 U.S. Olympic Trials, it underwent additional renovations in 2007. Eight light poles were installed for televised night events, and the crowned infield was removed and reconfigured. A walkway was added behind the west grandstand, and a new scoreboard was installed, thanks to a donation by alumnus Phil Knight and Nike. On April 17, 2018, it was announced that from the summer of 2018 to 2020, Hayward field would undergo a major renovation. The renovation would demolish both current grandstands and establish a new stadium around the track with a capacity of 12,650, expandable to nearly 25,000 for major events. Moreover, the renovation saw Hayward Field being equipped with underground training facilities, which allow Oregon Track and Field Athletes to continue their training through rough weather. As a result, Hayward Field has a training room,