Pablo Martinez Monsivais, Alex Brandon/AP President Donald Trump on Sunday served as the grand marshall of the Daytona 500 in Daytona, Florida. The president accompanied by first lady Melania Trump drove around the racetrack in a limousine before the event began. Former President George W. Bush also attended the race during his 2004 campaign for re-election. Visit Business Insider's homepage for more stories. With first lady Melania Trump by his side, President Donald Trump took his re-election campaign to the Daytona Speedway on Sunday, serving as the grand marshall of the 2019 Daytona 500 NASCAR race.