2023 BitNile.com Grand Prix of Portland
The 2023 BitNile.com Grand Prix of Portland was the penultimate round of the 2023 IndyCar season. The race was held on September 3, 2023, in Portland, Oregon at the Portland International Raceway; and was won for a second time by Álex Palou who qualified fifth and led 69 of 110 laps in his Chip Ganassi Racing number 10 Honda.
Arrow McLaren's Felix Rosenqvist finished second while Palou's veteran teammate Scott Dixon came in third.
Graham Rahal qualified on the pole and finished twelfth.
By virtue of his race win, Palou wrapped up the championship before the final race of the season, a feat last accomplished by Sébastien Bourdais when he won the 2007 Champ Car championship in the penultimate race.
Entry list
| Key | Meaning |
| ' | Rookie |
| ' | Past winner |
Qualifying
Qualifying started at 12:30 PM PT on September 2, 2023.Qualifying classification
; NotesBold text indicates fastest time set in session.Race
The race started at 12:30 PM PT on September 3, 2023.Championship standings after the race
;Drivers' Championship standings;Engine manufacturer standings
^ = clinched season championshipNote: Only the top five positions are included.