Date: 8-31-2025.

Name of the race: Cook Out Southern 500.

Track: Darlington Raceway.

Laps: 367.

Pole Winner: Denny Hamlin.

Outside Pole Winner: Chase Briscoe.

Stage 1 winner: Chase Briscoe.

Stage 2 winner: Chase Briscoe.

Stage 3 winner (won the race): Chase Briscoe.

Top 5: Chase Briscoe, Tyler Reddick, Erik Jones, John Hunter Nemechek, and AJ Allmendinger.

Next Race: Worldwide Technology Raceway on Sunday afternoon (9-7-2025) for the second race in the first round of the playoffs.