Grid briefing
Sam Mayer leads the NASCAR O'Reilly Auto Parts Series at Las Vegas starting lineup
How the front row was set
Sam Mayer beat Cup regular Kyle Larson for the Las Vegas O'Reilly pole, putting the two Chevrolets together on row one of the 38-car field.
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
Larson won from P2 after taking command for the final 47 laps, turning the front-row duel into the defining grid-to-finish comparison.
Starting-order facts checked against Las Vegas O'Reilly starting-lineup report. A post-qualifying inspection or unapproved adjustment can still send a car to the rear without changing its scored starting position.