[3] This was the final race to feature Max Chilton, Charlie Kimball, Ed Jones and Carlin Motorsport.

Lastly, this was the final career IndyCar start for American open wheel racing legend Sébastien Bourdais.

[5] Championship leader Álex Palou extended his lead over Pato O'Ward to a 35-point advantage, thanks to a second place finish in the Firestone Grand Prix of Monterey.

[6] Honda had won their fourth consecutive Manufacturer's Cup in the Firestone Grand Prix of Monterey over Chevrolet.

[2] Colton Herta, who topped the first practice charts, went fastest again with a time of 01:07.9783, despite hitting the wall early in the session.

At the end of the Firestone Fast 12, Will Power stopped in Turn 10 after hitting the wall, triggering a local yellow flag.

This forced championship contenders Álex Palou and Pato O'Ward, along with other drivers, to slow down in the area and abort their fast lap, eliminating them from the contest for pole.

Ed Jones, who had initially set a time that would have put him in the Firestone Fast 6, had his lap deleted, as he was judged to have failed to slow down during the local yellow.

5 Arrow McLaren SP car at the hairpin in Turn 11, causing O'Ward to spin in the wrong direction.

On lap 17, O'Ward came to a halt on the main straight and eventually retired from the race, due to a broken driveshaft sustained from the first-lap incident, effectively ending his championship hopes.

Ilott's spin prompted Castroneves to make his pit stop, in anticipation of a caution being brought out, but only a local yellow was flagged instead.

Chip Ganassi Racing's Scott Dixon took the final podium spot, with teammate Álex Palou finishing fourth behind him, clinching his first championship win.

[15][16] Álex Palou of Chip Ganassi Racing won his first IndyCar drivers' title with his fourth-place finish.