1988 United States Olympic Trials (track and field) the only race where five men have run under 48 seconds for 400 metres hurdles. 1988 U.S. Olympic Track and Field Trials results Key: 1988 United States Olympic Trials (track and field) The 1988 United States Olympic Trials for track and field were held at IU Michael A. Carroll Track & Soccer Stadium in Indianapolis, Indiana. This is the only time this venue has been used for the Olympic Trials. With the 2013 installation of Field Turf, it is unlikely to host the event again. Organised by The Athletics Congress (TAC), the nine-day competition lasted from July 15–23. The national
All-weather running track All-weather running track An all-weather running track is a rubberized artificial running surface for track and field athletics. It provides a consistent surface for competitors to test their athletic ability unencumbered by adverse weather conditions. Historically, various forms of dirt, grass, sand and crushed cinders were used. Many examples of these varieties of track still exist worldwide. Starting in the late 1950s, artificial surfaces using a combination of rubber and asphalt began to appear. An artificial warm-up track was constructed for the 1956 Summer Olympics in Melbourne, Australia. During the 1960s many of these tracks were constructed; examples still exist