2017 Indy 500 Practice Day 3 Highlights (Video) May 18, 2017 by Naptown Buzz Watch the entire 6-hour practice session from Wednesday, May 17, 2017. Via INDYCAR Spread the love ADVERTISING NOTICE Some posts and pages on Naptown Buzz contain affiliate links for which we receive an affiliate commission. Additionally, you can support Naptown Buzz by making your everyday Amazon purchases through our Amazon link.