(INDIANAPOLIS) - It's Carb Day at the Indianapolis Motor Speedway.
The day gets underway with a one hour practice session for the 33 cars and drivers competing in Sunday's Indianapolis 500.
Today's session is the last time the cars will be on the track before Race Day. Following Carb Day practice, the cars of the Firestone Indy Lights Series take to the two and-a-half-mile oval for the Freedom 100.
The track activity wraps up with the annual pit stop competition.
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