Chase Briscoe (Stewart-Haas Racing//Ford) venceu a Cook Out Southern 500, no Darlington Raceway, 26ª etapa da NASCAR Cup Series. A prova, última da temporada regular, definiu os 16 pilotos classificados para os Playoffs.
Briscoe venceu com apenas 0s391 de vantagem sobre Kyle Busch (Richard Childress Racing/Chevrolet), garantindo a sua vaga nos Playoffs, e deixando o campeão fora da disputa pelo título. Christopher Bell (Joe Gibbs Racing/Toyota), que já estava garantido nos Playoffs, foi o terceiro.
Vencedor dos dois primeiros estágios, Kyle Larson (Hendrick Motorsports/Chevrolet) terminou em quarto. Ele começa os Playoffs na liderança.
Vencedor da temporada regular Tyler Reddick (23XI Racing/Toyota) terminou em décimo.
Final:
1 Chase Briscoe Stewart-Haas Racing Ford 367
2 Kyle Busch Richard Childress Racing Chevrolet 367
3 Christopher Bell Joe Gibbs Racing Toyota 367
4 Kyle Larson Hendrick Motorsports Chevrolet 367
5 Ross Chastain Trackhouse Racing Chevrolet 367
6 Chris Buescher RFK Racing Ford 367
7 Denny Hamlin Joe Gibbs Racing Toyota 367
8 Joey Logano Team Penske Ford 367
9 Corey LaJoie Spire Motorsports Chevrolet 367
10 Tyler Reddick 23XI Racing Toyota 367
11 Chase Elliott Hendrick Motorsports Chevrolet 367
12 Ryan Preece Stewart-Haas Racing Ford 367
13 Austin Cindric Team Penske Ford 367
14 Brad Keselowski RFK Racing Ford 367
15 Austin Dillon Richard Childress Racing Chevrolet 367
16 Bubba Wallace 23XI Racing Toyota 367
17 Todd Gilliland Front Row Motorsports Ford 367
18 Daniel Suárez Trackhouse Racing Chevrolet 366
19 Alex Bowman Hendrick Motorsports Chevrolet 366
20 Ty Gibbs Joe Gibbs Racing Toyota 366
21 Harrison Burton Wood Brothers Racing Ford 365
22 Ricky Stenhouse Jr. JTG Daugherty Racing Chevrolet 365
23 Zane Smith (R) Spire Motorsports Chevrolet 364
24 Erik Jones Legacy Motor Club Toyota 364
25 John Hunter Nemechek Legacy Motor Club Toyota 364
26 Shane van Gisbergen (i) Kaulig Racing Chevrolet 364
27 Justin Haley Rick Ware Racing Ford 363
28 Michael McDowell Front Row Motorsports Ford 363
29 Daniel Hemric Kaulig Racing Chevrolet 362
30 William Byron Hendrick Motorsports Chevrolet 344
31 Josh Berry (R) Stewart-Haas Racing Ford 343
32 Noah Gragson Stewart-Haas Racing Ford 343
33 Carson Hocevar (R) Spire Motorsports Chevrolet 335
34 Kaz Grala Rick Ware Racing Ford 332
35 Timmy Hill (i) Power Source Ford 278
36 Martin Truex Jr. Joe Gibbs Racing Toyota 2
37 Ryan Blaney Team Penske Ford 2
Confira os 16 classificados para os Playoffs:
1 Kyle Larson 2,040 pontos
2 Christopher Bell 2,032 (–8)
3 Tyler Reddick 2,028 (–12)
4 William Byron 2,022 (–18)
1 5 Ryan Blaney 2,018 (–22)
6 Denny Hamlin 2,015 (–25)
7 Chase Elliott 2,014 (–26)
8 Brad Keselowski 2,008 (–32)
9 Joey Logano 2,007 (–33)
10 Austin Cindric 2,007 (–33)
11 Daniel Suárez 2,006 (–34)
12 Alex Bowman 2,005 (–35)
13 Chase Briscoe 2,005 (–35)
14 Harrison Burton 2,005 (–35)
15 Ty Gibbs 2,004 (–36)
16 Martin Truex Jr. 2,004 (–36)
A primeira prova do Round of 16 acontece no dia 08 de Setembro, no Atlanta Motor Speedway