Get ready for the Thrill on the Hill, also known as the Gravity Grand Prix! Soapbox racing returns to Washington for the first time since 1964. Witness a sport that is 100% gravity-powered, bolstered by STEM learning, and rooted in family and community. Grab your spot on the sidewalk to watch exciting racing action, and then check out the soapbox cars up close at the car show nearby. This event is sponsored by Modern Auto.