The 28-year-old Majeski from Seymour, Wisconsin, became the first Truck Series competitor to secure a Championship 4 finale spot by claiming his first career victory at Thunder Valley.
The NASCAR Cup Series and Camping World Truck Series travel to Bristol Motor Speedway this week for some dirt track racing under the lights while the Xfinity Series is off.
The Elk Grove, California, native benefitted from a late run-in involving teammate Elliott and Harvick to win for the sixth time in 2021 at Thunder Valley.
The Los Gatos, California, native fended off a late battle with Austin Cindric while sideways to win both the race and the regular season title in Thunder Valley.
In a must-win situation, 19-year-old Chandler Smith made a power move on Sheldon Creed with three laps to go, moving Creed out of the way. He hung on to win the Camping World Truck Series race at Bristol Motor Speedway and locked the No. 18 team into the Playoffs Round of 6.