Retrouvez le calendrier de la saison 2027 en NASCAR O’Reilly Auto Parts Series, de Daytona en février à Homestead pour la finale en novembre.
| Date | Course | Circuit |
|---|---|---|
| 20/02/2027 | United Rentals 300 | Daytona International Speedway |
| 27/02/2027 | Bennett Transportation & Logistics 250 | EchoPark Speedway |
| 06/03/2027 | Circuit of the Americas | |
| 13/03/2027 | Phoenix Raceway | |
| 20/03/2027 | The LiUNA! | Las Vegas Motor Speedway |
| 03/04/2027 | Darlington Raceway | |
| 10/04/2027 | Suburban Propane 300 | Bristol Motor Speedway |
| 17/04/2027 | Martinsville Speedway | |
| 24/04/2027 | Talladega Superspeedway | |
| 01/05/2027 | Andy's Frozen Custard 300 | Texas Motor Speedway |
| 15/05/2027 | BetRivers 200 | Dover Motor Speedway |
| 22/05/2027 | North Wilkesboro Speedway | |
| 29/05/2027 | Charbroil 300 | Charlotte Motor Speedway |
| 05/06/2027 | Sports Illustrated Resorts 250 | Nashville Superspeedway |
| 12/06/2027 | Pocono Raceway | |
| 26/06/2027 | Chicagoland Speedway | |
| 03/07/2027 | Iowa Speedway | |
| 10/07/2027 | Pit Boss/Food Maxx 250 | Sonoma Raceway |
| 24/07/2027 | Pennzoil 250 | Indianapolis Motor Speedway |
| 31/07/2027 | San Diego | |
| 13/08/2027 | Food City 300 | Bristol Motor Speedway |
| 21/08/2027 | Nu Way 225 | World Wide Technology Raceway (Gateway) |
| 27/08/2027 | Daytona International Speedway | |
| 04/09/2027 | Darlington Raceway | |
| 11/09/2027 | Richmond Raceway | |
| 18/09/2027 | Watkins Glen International | |
| 02/10/2027 | Kansas Speedway | |
| 09/10/2027 | Las Vegas Motor Speedway | |
| 16/10/2027 | Charlotte Motor Speedway | |
| 23/10/2027 | Phoenix Raceway | |
| 30/10/2027 | Talladega Superspeedway | |
| 06/11/2027 | Martinsville Speedway | |
| 13/11/2027 | NASCAR O'Reilly Auto Parts Series Championship Race | Homestead-Miami Speedway |