When you have roughly 350,000 spectators at one sporting event, you're bound to run into a celebrity or two. That's been the case at the Indy 500 for years, and that remained true at Indianapolis Motor Speedway again this year. Dozens of notable names were in attendance for the Greatest Spectacle in Racing on Sunday. Of course, celebrities took part in the pre-race festivities. Indiana head coach Curt Cignetti was the pace car driver for this year's race, while Indiana Fever star Caitlin Clark served as the grand marshal for Sunday's race. Indiana native David Letterman was also among those in...
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