Power, who is third in the championship standings entering Round 12, had a quick lap of 1 minute, 6.8632 seconds - which was just off the IZOD IndyCar Series lap time record on the 2.258-mile, 13-turn Mid-Ohio Sports Car Course.
Scott Dixon, who has won three of the past five races at Mid-Ohio in the No. 9 Target Chip Ganassi Racing car, was second quick (1:07.0213) and Marco Andretti was third (1:07.0644) in the No. 26 Team RC Cola car. Simon Pagenaud was fourth (1:07.1063) in the No. 77 Schmidt Hamilton HP Motorsports car, and Graham Rahal finished fifth (1:07.1088) in the No. 38 Service Central Chip Ganassi Racing car.
James Jakes, was sixth quick in the No. 19 Boy Scouts of America entry and rookie Josef Newgarden was seventh in the No. 67 Sarah Fisher Hartman Racing car. The top 20 cars were separated by less than a second.