A U.S. District judge rejected St. Louis protesters' request for a temporary injunction to let them stay in the park through the weekend. About 24 people were arrested when they refused to leave the park Friday.
Columbia native Carl Edwards takes a three-point lead over Stewart into the penultimate event of the 10-race Chase for the Sprint Cup championship.
The event will focus on the early detection of Alzheimer's disease and ways to care for individuals with the disease.
After the protesters refused to leave a vacant lot near Springfield Expo Center, police started arresting them.