Josh Berry, Jesse Love and Layne Riggs each lead the rookie standings in the Cup, Xfinity and Craftsman Truck Series divisions, respectively, with four months of racing remaining until the 2024 season's conclusion.
The 29-year-old Bell from Norman, Oklahoma, led the final lap of 60 after overtaking teammate Hamlin for his first Duel career victory while the 25-year-old Grala from Boston achieved his third Great American Race career start.
The 20-year-old Mayer from Franklin, Wisconsin, led eight of 86 over-scheduled laps and rallied from spinning pole-sitter Ty Gibbs while running on a low tank of fuel to overtake Sheldon Creed prior to the final lap and notch his second Xfinity Series career victory at The Glen.
The reigning Xfinity Series champion from Charlotte, North Carolina, led a race-high 28 of 62 laps and drove away from the field during a 16-lap dash to the finish to notch his first Xfinity triumph of the season at the Brickyard.
The 24-year-old Grala from Boston, Massachusetts, is set to achieve a significant milestone start in his eighth season with at least one start across NASCAR's top three national touring series.
The reigning NASCAR Cup Series champion dodged an on-track incident involving teammate Byron and Gibbs to lead the final five laps and grab his first Xfinity victory in four years.
The 23-year-old native from Boston, Massachusetts, will be adding two additional Xfinity Series starts with Big Machine Racing to his 2022 racing schedule for late April.