2023 Bommarito Automotive Group 500
The 2023 Bommarito Automotive Group 500 was the fifteenth round of the 2023 IndyCar season. The race was held on August 27, 2023, in Madison, Illinois at the World Wide Technology Raceway. The race consisted of 260 laps & was won by Scott Dixon.
The race marked the first time that the Firestone alternate tires were used at an oval. Teams had 10 sets of tires they could use during the weekend, divided between 8 primary tire sets & 2 alternate sets. Teams were allowed the use of 1 set of alternate tires during first practice and, similar to road/street races, were mandated to use 1 set during the race. No alternate tires were allowed to be used during qualifying.
Entry list
| Key | Meaning |
| ' | Rookie |
| ' | Past winner |
Qualifying
Due to inclement weather, qualifying was moved to 11:00AM ET on August 27, 2023. Originally, qualifying was scheduled for 2:00 PM ET on August 26.Qualifying classification
; NotesBold text indicates fastest time set in session.Race
The race started at 3:40 PM ET on August 27, 2023.Championship standings after the race
;Drivers' Championship standings;Engine manufacturer standingsNote: Only the top five positions are included.