Qualifying guide
When the NASCAR O'Reilly Auto Parts Series at Las Vegas starting lineup will be posted
How this grid will be set
Qualifying is listed for the scheduled session time. If the session cannot run, series officials may set the field through the applicable rule-book metric rather than lap speed.
What track position means at Las Vegas Motor Speedway
Las Vegas is a fast 1.5-mile oval with progressive banking where the preferred lane can move toward the wall as rubber builds.
NASCAR O'Reilly Auto Parts Series at Las Vegas grid watch
The O'Reilly field mixes developing drivers with experienced regulars, so adaptation can reshape the order quickly. Track the lane migration, green-flag pit cycles and which teams keep speed after ten laps. The 2026 Chase has no eliminations, but every point carries to the finale after the one-time reseed. For this event, the season role is O'Reilly Chase race 4 of 9.
Starting-order facts checked against ESPN Core. A post-qualifying inspection or unapproved adjustment can still send a car to the rear without changing its scored starting position.