Kevin Harvick (Stewart-Haas Racing Ford) venceu a Cook Out Southern 500, no Darlington Raceway, 27ª etapa da NASCAR Cup Series, e primeira dos Playoffs. Foi a oitava vitória de Harvick no ano, e 57ª na categoria. Austin Dillon (Richard Childress Racing Chevrolet) e Joey Logano (Team Penske Ford) completaram os três primeiros.
Harvick assumiu a ponta nas voltas finais, após Chase Elliott (Hendrick Motorsports Chevrolet) e Martin Truex Jr. (Joe Gibbs Racing Toyota) se tocarem na disputa pela liderança. Os dois tiveram que parar nos boxes, com pneus furados.
Harvick venceu com 0s343 de vantagem sobre Dillon. Logano foi o terceiro.
Erik Jones (Joe Gibbs Racing Toyota) terminou em quarto, seguido por William Byron (Hendrick Motorsports Chevrolet).
Truex Jr. venceu os dois primeiros estágios, e liderou 196, das 367 voltas disputadas.
Harvick lidera o campeonato com 2106 pontos, seguido por Denny Hamlin (Joe Gibbs Racing Toyota) com 2087.
A próxima etapa, no Richmond Raceway, acontece no dia 12 de setembro.
Final:
1 Kevin Harvick Stewart-Haas Racing Ford 367
2 Austin Dillon Richard Childress Racing Chevrolet 367
3 Joey Logano Team Penske Ford 367
4 Erik Jones Joe Gibbs Racing Toyota 367
5 William Byron Hendrick Motorsports Chevrolet 367
6 Alex Bowman Hendrick Motorsports Chevrolet 367
7 Kyle Busch Joe Gibbs Racing Toyota 367
8 Kurt Busch Chip Ganassi Racing Chevrolet 367
9 Aric Almirola Stewart-Haas Racing Ford 367
10 Clint Bowyer Stewart-Haas Racing Ford 367
11 Brad Keselowski Team Penske Ford 367
12 Cole Custer (R) Stewart-Haas Racing Ford 367
13 Denny Hamlin Joe Gibbs Racing Toyota 367
14 Matt Kenseth Chip Ganassi Racing Chevrolet 367
15 Ryan Newman Roush Fenway Racing Ford 367
16 Michael McDowell Front Row Motorsports Ford 367
17 Ryan Preece JTG Daugherty Racing Chevrolet 367
18 Jimmie Johnson Hendrick Motorsports Chevrolet 367
19 Ricky Stenhouse Jr. JTG Daugherty Racing Chevrolet 367
20 Chase Elliott Hendrick Motorsports Chevrolet 367
21 Matt DiBenedetto Wood Brothers Racing Ford 366
22 Martin Truex Jr. Joe Gibbs Racing Toyota 366
23 Tyler Reddick (R) Richard Childress Racing Chevrolet 366
24 Ryan Blaney Team Penske Ford 366
25 Daniel Suárez Gaunt Brothers Racing Toyota 364
26 Chris Buescher Roush Fenway Racing Ford 364
27 Ty Dillon Germain Racing Chevrolet 363
28 Brennan Poole (R) Premium Motorsports Chevrolet 362
29 Ross Chastain (i) Spire Motorsports Chevrolet 360
30 J. J. Yeley (i) Rick Ware Racing Ford 360
31 Quin Houff (R) StarCom Racing Chevrolet 357
32 Josh Bilicki (i) Tommy Baldwin Racing Chevrolet 356
33 Joey Gase (i) Petty Ware Racing Ford 351
34 Christopher Bell (R) Leavine Family Racing Toyota 349
35 Timmy Hill (i) MBM Motorsports Toyota 296
36 John Hunter Nemechek (R) Front Row Motorsports Ford 245
37 Corey LaJoie Go Fas Racing Ford 234
38 Bubba Wallace Richard Petty Motorsports Chevrolet 217
39 James Davison Rick Ware Racing Chevrolet 162