Entry List : Darlington Raceway
Cook Out Southern 500
Darlington Raceway , Darlington, SC
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- Darlington Raceway
- Cook Out Southern 500
- Busch Pole Award Pole Winner: Denny Hamlin
- Age: 44
- Team : No 11 - Sport Clips Haircuts Toyota
- Owner: Joe Gibbs
- Crew Chief: Chris Gayle
- Denny Hamlin won the Pole Award for the Cook Out Southern 500 with a lap of 28694 seconds, 171381 mph
- This is his 46th pole in 712 NASCAR Cup Series races
- This is his second pole and 12th top-10 start in 2025
- This is his second pole in 27 races at Darlington Raceway
- Chase Briscoe (second) posted his 16th top-10 start of 2025 and his third in ten races at Darlington Raceway
- Josh Berry (third) posted his first top-10 start at Darlington Raceway It is his ninth in 27 races this season
- Shane Van Gisbergen (20th) was the fastest qualifying rookie
- Drivers Entered: 38
- Laps Scheduled: 367
- Margin of Victory: 0.408 Seconds
- Time of Race: 3 Hours 51 Minutes 7 Seconds
- Average Speed: 130.148
- Cautions: 7 for 37 laps
- Lead Changes: 24
- Green Flag Passes: 4,081 (12.4 passes per green flag lap)
- Darlington Raceway
- Cook Out Southern 500
- Race Winner: Chase Briscoe
- Age: 30
- Team : No 19 - Bass Pro Shops Toyota
- Owner: Joe Gibbs
- Crew Chief: James Small
- Chase Briscoe won the Cook Out Southern 500, his fourth victory in 171 Cup Series races
- This is his second victory and 13th top-10 finish in 2025
- This is his second victory and third top-10 finish in ten races at Darlington Raceway
- Tyler Reddick (second) posted his seventh top-10 finish in 13 races at Darlington Raceway It is his 10th top-10 finish in 2025
- Erik Jones (third) posted his ninth top-10 finish in 16 races at Darlington Raceway
- Riley Herbst (28th) was the highest finishing rookie
- Chase Briscoe leads the point standings by 3 points over Denny Hamlin
