Briscoe darted below Ross Chastain and Kyle Larson with less than 25 laps to go on a restart to take the lead, then sped to a big lead on the final restart before holding off Kyle Busch, who had newer tires, to win for the first time in 2024.
Larson, who dominated the race, finished in 4th.
Here are the full unofficial results for Sunday’s race.
The unofficial full running order, results from NASCAR Cup Series Cook Out Southern 500 at Darlington Raceway
Chase Briscoe, No. 14 Stewart-Haas Racing Ford
Kyle Busch, No. 8 Richard Childress Racing Chevrolet
Christopher Bell, No. 20 Joe Gibbs Racing Toyota
Kyle Larson, No. 5 Hendrick Motorsports Chevrolet
Ross Chastain, No. 1 Trackhouse Racing Chevrolet
Chris Buescher, No. 17 Roush Fenway Keselowski Racing Ford
Denny Hamlin, No. 11 Joe Gibbs Racing Toyota
Joey Logano, No. 22 Team Penske Ford
Corey Lajoie, No. 7 Spire Motorsports Chevrolet
Tyler Reddick, No. 45 23XI Racing Toyota
Chase Elliott, No. 9 Hendrick Motorsports Chevrolet
Ryan Preece, No. 41 Stewart-Haas Racing Ford
Austin Cindric, No. 2 Team Penske Ford
Brad Keselowski, No. 6 Roush Fenway Keselowski Racing Ford
Austin Dillon, No. 3 Richard Childress Racing Chevrolet
Bubba Wallace, No. 23 23XI Racing Toyota
Todd Gilliland, No. 38 Front Row Motorsports Ford
Daniel Suarez, No. 99 Trackhouse Racing Chevrolet
Alex Bowman, No. 48 Hendrick Motorsports Chevrolet
Ty Gibbs, No. 54 Joe Gibbs Racing Toyota
Harrison Burton, No. 21 Wood Brothers Racing Ford
Ricky Stenhouse Jr., No. 47 JTG Daugherty Racing Chevrolet
Zane Smith, No. 71 Spire Motorsports Chevrolet
Erik Jones, No. 43 Legacy Motor Club Toyota
John Hunter Nemechek, No. 42 Legacy Motor Club Toyota
Shane van Gisbergen, No. 16 Kaulig Racing Chevrolet
Justin Haley, No. 51 Rick Ware Racing Chevrolet
Michael McDowell, No. 34 Front Row Motorsports Ford
Daniel Hemric, No. 31 Kaulig Racing Chevrolet
William Byron, No. 24 Hendrick Motorsports Chevrolet
Josh Berry, No. 4 Stewart-Haas Racing Ford
Noah Gragson, No. 10 Stewart-Haas Racing Ford
Carson Hocevar, No. 77 Spire Motorsports Chevrolet
Kaz Grala, No. 15 Rick Ware Racing Chevrolet
Timmy Hill, No. 66 Power Source Ford
Martin Truex Jr., No. 19 Joe Gibbs Racing Toyota
Ryan Blaney, No. 12 Team Penske Ford
