Grid briefing
Connor Zilisch leads the NASCAR O'Reilly Auto Parts Series at Chicagoland starting lineup
How the front row was set
Friday rain moved practice into Saturday's qualifying window, so the rule-book metric—not practice speed—set the Chicagoland order. Connor Zilisch received P1 and Brent Crews P2.
What track position means at Chicagoland Speedway
Chicagoland is a progressive-banked 1.5-mile oval with a usable upper lane, seams and bumps that reward moving between grooves.
NASCAR O'Reilly Auto Parts Series at Chicagoland grid watch
Brandon Jones won from P29, the largest winning climb in this completed O'Reilly group and a strong warning against treating the metric front row as a speed ranking.
Starting-order facts checked against NASCAR Chicagoland O'Reilly lineup. A post-qualifying inspection or unapproved adjustment can still send a car to the rear without changing its scored starting position.