The 2026 NASCAR O'Reilly Auto Parts Series will be the 45th season of the NASCAR O'Reilly Auto Parts Series, a stock car racing series sanctioned by NASCAR in the United States. The season will start in mid-February with the Daytona 300 at Daytona International Speedway and will end with the Hard Rock Bet 300 at Homestead–Miami Speedway on November 7.
This will be the first year under the new title sponsor, as Xfinity did not extend their sponsorship. [1] On August 18, 2025, it was announced that O'Reilly Auto Parts will serve as the series sponsor in 2026. [2]
Manufacturer | Team | No. | Driver | Crew chief | Notes |
---|---|---|---|---|---|
Chevrolet | Haas Factory Team | 00 | Sheldon Creed | TBA | Creed is returning to the Haas Factory team, [3] and the team is switching to Chevy as a manufacturer. [3] |
41 | Sam Mayer | TBA | Mayer is returning. [3] |
The 2026 schedule was released on August 20, 2025.
Notes: Race names and title sponsors are subject to change. Not all title sponsors/names of races have been announced for 2026. For the races where a 2026 name and title sponsor has yet to be announced, the title sponsors/names of those races in 2025 are listed.