Spencer Pigot and Sage Karam join the Indycar regulars and part timers this weekend in the seventh annual GMR Grand Prix. the race has served as a prelude to the Indianapolis 500 on Mother’s day weekend the last six years. Could this be a new permanent date for this race?  Australian Supercars champion Scott McLaughlin was scheduled to drive for Team Penske had this race taken place on its original date.  Carlin has entered just one car for this event. Had the race been run uin May there was a potential for 30 entries.