The 2-time sequence champion lapped the 11-turn, 2.1-mile short-term avenue course in 1m16.4042s however ended his session by smashing into the wall at Flip 1.
After a rain bathe that impacted the previous Indy NXT observe, the monitor had dried fully for the 75-minute session.
Arrow McLaren’s Pato O’Ward was an early customer to the Flip 9 run-off however rejoined to take the highest spot on the midway level with 1m17.4437s. Collection chief Alex Palou then took over on the high for Ganassi with 1m16.9063s, 0.06s faster than Colton Herta (Andretti).
Groups ran the green-sidewalled alternate rubber inside the ultimate quarter-hour after their race-run sims have been accomplished on primaries.
Palou produced 1m16.6494s to increase his benefit, earlier than Power toppled him with 1m16.4042s. Alexander Rossi (McLaren) went P3 simply earlier than a crimson flag for Callum Ilott (Juncos Hollinger Racing) changing into stranded within the Flip 11 run-off.
The session restarted however was crimson flagged once more when Energy slammed the wall at Flip 1 and was pressured into a clumsy rejoin, whereas Benjamin Pedersen stalled at Flip 11. “Not ideally suited,” rued Energy.
Armstrong, Rossi and Jack Harvey (Rahal) have been others to go to the Flip 9 run-off, whereas McLaughlin additionally had a second that triggered him to return to a halt at Flip 10. Marcus Ericsson additionally slithered to a halt, this time at Flip 4, and struggled to the 25th quickest time.