The 25-year-old Byron from Charlotte, North Carolina, led the final six of 267-scheduled laps and overtook pole-sitter Bubba Wallace during a six-lap shootout to notch his sixth Cup victory of the 2023 season and deliver a milestone victory for Hendrick Motorsports.
The 26-year-old Nemechek from Mooresville, North Carolina, led 38 of 200 laps and benefitted from a late skirmish involving Allgaier and Kligerman to snatch the lead with six laps remaining and secure his spot for the Playoff's Round of 8 by winning at the Lone Star state.
Heading to Texas, the Cup Series Playoff action will continue with the first race in the Round of 12 as William Byron, Martin Truex Jr., Denny Hamlin, Kyle Larson, Chris Buescher, Kyle Busch, Christopher Bell, Tyler Reddick, Ross Chastain, Brad Keselowski, Ryan Blaney and Bubba Wallace continue their quest for the coveted 2023 Cup Series championship.
The three-time Daytona 500 champion led 142 of 500 laps and rallied from a Lap 70 pit road speeding penalty to lead the final 134 laps and win the Playoff's Round of 16 finale under the lights at Thunder Valley.
The 37-year-old Allgaier from Riverton, Illinois, led a race-high 110 of 300 laps and executed during a 44-lap dash to the finish on fresh tires to fend off Daniel Hemric, win at Thunder Valley and become the first Xfinity competitor to transfer to the Playoff's Round of 8.
The 21-year-old Heim from Marietta, Georgia, overtook Christian Eckes with six laps remaining to become the first Playoff competitor to transfer to this year's Championship 4 round by winning at Thunder Valley.
That Chase Elliott felt the need to lie about his reason for side-swiping Kyle Larson, a teammate, shows NASCAR's most popular driver has an attitude problem.
The two-time Xfinity Series champion from Corning, California, led the final two of 268 over-scheduled laps and capitalized on a late caution period to win in overtime and transfer to the second round of the 2023 Cup Series Playoffs.
The 26-year-old Nemechek led a race-high 154 of 200 laps and capped off the regular-season stretch with his sixth Xfinity victory of the 2023 season in dominant fashion.
The 22-year-old Eckes from Greenville, New York, led the final two of 134-scheduled laps and capitalized through two late-race cautions to score his third Truck Series victory of the 2023 season in the Round of 10 finale amid a final lap overtake on Playoff rivals Corey Heim and Zane Smith.
The 34-year-old Burton from Halifax, Virginia, will pilot an RSS Racing Chevrolet entry numbered 22 with his father Ward's exact red number in his transition from Jordan Anderson Racing to RSS Racing in 2027.
In 10 NASCAR CRAFTSMAN Truck Series starts at Charlotte (N.C.) Motor Speedway (CMS), Spire Motorsports has earned two top-five and four top-10 finishes.
More than 100 breast cancer survivors and supporters joined Blue Cross and Blue Shield of North Carolina (Blue Cross NC) and Charlotte Motor Speedway to paint the iconic pit road wall pink in a moving display of solidarity and hope.
