NASCAR O'Reilly Auto Parts Series at Darlington Raceway
| NASCAR O'Reilly Auto Parts Series | |
|---|---|
| Venue | Darlington Raceway |
| Location | Darlington, South Carolina, U.S. |
| Circuit information | |
| Surface | Asphalt |
| Length | 1.366 mi (2.198 km) |
| Turns | 4 |
Stock car racing events in the NASCAR O'Reilly Auto Parts Series has been held at Darlington Raceway in Darlington, South Carolina since the series' inaugural season in 1982.
Initially only one race was held, but starting in 1984 the track hosted two races per year until 2004 when the track lost its fall weekend date as a result of the realignments caused by the Ferko lawsuit. A realignment in 2015 moved the spring race to the pre-Ferko fall slot. The emergency schedule realignment for 2020 resulted in Darlington regaining its second Xfinity date, which became permanent starting from 2021, except in 2025.