
Palou was the first driver into the 61sec bracket, a 61.8398sec which he then trimmed to 61.4782, which equates to 104.583mph around the 1.786-mile course. Two-time Toronto pole-winner Will Power trimmed his advantage to 0.22sec, then delivered a 61.3240 to go top for Team Penske-Chevrolet.
His former teammate Simon Pagenaud, a master of the bumpy street course, got within 0.0758sec in his Meyer Shank Racing-Honda, before Andretti Autosport-Honda’s Alexander Rossi edged 0.0172sec ahead of Power to claim P1.