MOORESVILLE, N.C. — Sam Mayer will return to JR Motorsports in 2024 aboard the No. It’ll be the 20-year-old’s third full-time season with JRM’s Xfinity Series program. A native of Franklin, Wis., Mayer is in the midst of a breakout season in which he has raced into the playoffs for the second consecutive year through a pair of victories. “We’ve seen so much potential in Sam and we’re proud of all he’s accomplished this year,” said JRM CEO Kelley Earnhardt Miller. Mayer began his journey with JRM in the company’s Late Model program in 2018 before graduating to make his Xfinity Series debut in 2021 via a part-time schedule. 1 team,” said Mayer, who will make his 100th series start with JRM next season.

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