The 26-year-old Byron from Charlotte, North Carolina, led the final four of 200 laps and prevailed during a four-lap shootout to become the 43rd competitor to win the Great American Race.
The 42-year-old Allmendinger from Los Gatos, California, is set to make his 11th career start and second with Kaulig Racing in the Great American Race in February 2024.
Kevin Walter graduates as a first-time crew chief alongside returning crew chiefs Bruce Schlicker and Alex Yontz for Kaulig Racing's crew chief lineup entering the 2024 season.
The 41-year-old Allmendinger from Los Gatos, California, led a race-high 46 of 109 laps and survived four caution and restart attempts before fending off a hard-charging Byron to claim his first Cup victory of the 2023 season at the Charlotte Roval.
The 25-year-old Byron from Charlotte, North Carolina, led a race-high 66 of 90 laps en route to his fifth Cup Series victory of the 2023 season at The Glen.
The 2021 Daytona 500 champion from Glendale, Arizona, led a race-high 54 of 82 laps and became the 13th different competitor to claim a 2023 Cup Playoff berth by claiming his second series triumph at the Brickyard.
The 2015 Xfinity Series champion from Prosper, Texas, led 88 of 400-scheduled laps and fended off Denny Hamlin in a three-lap shootout to become the 12th different competitor to clinch a 2023 Cup Series Playoff spot by winning.
The two-time ARCA Menards Series East champion from Franklin, Wisconsin, led the final two of 49 over-scheduled laps to earn his first triumph in the Xfinity circuit at his home track in Elkhart Lake, Wisconsin.
The 25-year-old Byron from Charlotte, North Carolina, led the final 20 of 185-shortened laps in an event where he rallied from losing a lap by implementing a late pit strategic call to race his way to the front and claim his fourth Cup victory of the season in a rain-shortened event in the Peach State.