With the entire field working on setups for primary tyres, the times were remarkably close in the first 25 minutes.
Felix Rosenqvist, who has taken two poles on the Indy road course, was top for Arrow McLaren with a 1m10.4167s, until with 17 minutes to go he was deposed by Alex Palou of Chip Ganassi Racing, by 0.0343s, who was using all the curbs and some of the grass.
