The 40-year-old Allmendinger from Los Gatos, California, led all but 20 of 62-scheduled laps en route to his third Xfinity Series victory of 2022 at the Brickyard.
The 24-year-old Gragson from Las Vegas, Nevada, led a race-high 43 of 90 laps, including the final 21, to record his third Xfinity victory of 2022 at the Tricky Triangle.
The 28-year-old Hill from Winston, Georgia, led a race-high 73 of 163-scheduled laps en route to his second career victory in the Xfinity circuit at his home track.
The NASCAR Cup Series and Xfinity Series return to Atlanta Motor Speedway this weekend for the second time this season as the Camping World Truck Series travels to the Mid-Ohio Sports Car Course for the first time ever.
The 19-year-old Gibbs from Charlotte, North Carolina, led five of 48 over-scheduled laps as he executed a bold final lap pass on Larson for his eighth Xfinity career victory.
Ryan Blaney and the No. 12 Wurth Ford Mustang Dark Horse team turned in their fifth-consecutive top-10 finish - and 12th on the season to tie for the Cup Series lead - in Sunday's inaugural Anduril 250 on Naval Base Coronado.
Corey Heim executed a perfect late race pass on 23XI and Toyota teammate Tyler Reddick to notch his first career NASCAR Cup Series win Sunday afternoon in the inaugural San Diego Street Race at Naval Base Coronado.
