2026 NASCAR O’Reilly Auto Parts Series Schedule
| Saturday, February 14 | Daytona | CW | Austin Hill |
| Saturday, February 21 | EchoPark Speedway | CW | Sheldon Creed |
| Saturday, February 28 | COTA | CW | Shane van Gisbergen |
| Saturday, March 7 | Phoenix | CW | Justin Allgaier |
| Saturday, March 14 | Las Vegas | CW | Kyle Larson |
| Saturday, March 21 | Darlington | CW | Justin Allgaier |
| Saturday, March 28 | Martinsville | CW | Justin Allgaier |
| Saturday, April 4 | Rockingham | CW | William Sawalich |
| Saturday, April 11 | Bristol | CW | Connor Zilisch |
| Saturday, April 18 | Kansas | CW | Taylor Gray |
| Saturday, April 25 | Talladega | CW | Corey Day |
| Saturday, May 2 | Texas | CW | Kyle Larson |
| Saturday, May 9 | Watkins Glen | CW | Connor Zilisch |
| Saturday, May 16 | Dover | CW | Corey Day |
| Saturday, May 23 | Charlotte | CW | Ross Chastain |
| Saturday, May 30 | Nashville Superspeedway | CW | Justin Allgaier |
| Friday, June 13 | Pocono | CW | Justin Allgaier |
| Saturday, June 20 | San Diego | CW | Austin Hill |
| Saturday, June 27 | Sonoma | CW | Shane van Gisbergen |
| Saturday, July 4 | Chicagoland | CW | Brandon Jones |
| Saturday, July 11 | EchoPark Speedway | CW | Justin Allgaier |
| Saturday, July 25 | Indianapolis | CW | Travis Kvapil |
| Saturday, August 8 | Iowa | CW | |
| Friday, August 28 | Daytona | CW | |
| Saturday, September 5 | Darlington | CW | |
| Saturday, September 12 | World Wide Technology Raceway | CW | |
| Friday, September 18 | Bristol | CW | |
| Saturday, October 3 | Las Vegas | CW | |
| Saturday, October 10 | Charlotte | CW | |
| Saturday, October 17 | Phoenix | CW | |
| Saturday, October 24 | Talladega | CW | |
| Saturday, October 31 | Martinsville | CW | |
| Saturday, November 7 | Homestead-Miami | CW |