Sam Mayer is an American professional stock car racing driver from Franklin, Wisconsin, currently competing full-time in the NASCAR O’Reilly Auto Parts Series with Haas Factory Team. This tag page collects news, race reports, interviews, and career updates covering his progression from go-karts and Legends cars through ARCA championships to the national series. Coverage includes his 2019 K&N East title, his first Xfinity wins at Road America and Watkins Glen, his 2023 Championship 4 run, and his 2025 victory at Iowa that delivered Haas Factory Team its first win. Articles also document his Truck Series debut, multi-series results, and ongoing playoff contention across short tracks, road courses, and intermediate ovals.
