Grandson of the legendary Mario Andretti, the American driver completed his fastest lap of the famous Indianapolis oval circuit (4 km) in 39 »6393, an average speed of 365.3 km / h. He beat New Zealander Scott Dixon (Chip Ganassi), winner of the event in 2008, 2nd in 39 »7651, and Japanese Takuma Sato (Rahal Letterman Lanigan), defending champion, 3rd in 39 »8039 .
Author of the best time the day before, Frenchman Simon Pagenaud (Penske) finished the day in 24th place (40 »2276). IndyCar Championship leader and 2017 IndyCar champion American Josef Newgarden (Penske) was credited with the 11th fastest time (40 »0417). American Danica Patrick (Ed Carpenter), star of motorsport in the United States, has set the 12th fastest time (40 »0766) as she will end her career after the race. She had finished 3rd in the event in 2009, the best result for a woman. Qualifying will take place over two days on Saturday and Sunday, before the race on May 27.