WASHINGTON — O'Reilly Auto Parts has been named the title sponsor for NASCAR's secondary series .

What's currently the NASCAR Xfinity Series will be known as the NASCAR O'Reilly Auto Parts Series beginning in 2026.

The move marks the end of Xfinity's eleven-year title sponsorship run, though the company is remaining a premier partner of the NASCAR Cup Series. Before that, the secondary series had a seven-year run with Nationwide Insurance.

The NASCAR O’Reilly Auto Parts Series will officially debut on Jan. 1, 2026, while its first event - the United Rentals 300 - will hit the starting line on February 14, 2026, at Daytona International Speedway.

O’Reilly Auto Parts, founded in Springfield, Missouri, in 1957, has grown from a single store to more than 6,400 locations across 48 sta

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