Results, winner of Iowa Corn 350 at Iowa Speedway

The Iowa Corn 350 came down to fuel.

The question in the closing laps: Did leader William Byron have enough gas to hold off Chase Briscoe and Brad Keselowski and win the second Cup Series race at Iowa Speedway?

The answer: Yes.

On Aug. 3, Byron led 141 laps, including the ones that counted most. He scored his second victory of the season and first since the Daytona 500.

Briscoe, Keselowski, Ryan Blaney and Ryan Preece rounded out the top five. Here is the full finishing order:

NASCAR standings: Results of Cup Series race at Iowa Speedway

1. William Byron, No. 24
2. Chase Briscoe, No. 19
3. Brad Keselowski, No. 6
4. Ryan Blaney, No. 12
5. Ryan Preece, No. 60
6. Bubba Wallace, No.23
7. Alex Bowman, No. 48
8. Carson Hocevar, No. 77
9. Joey Logano, No. 22
10. Austin Dillon, No. 3
11. Ross Chastain, No. 1
12. Austin Cindric, No. 2
13. Josh Berry, No. 21
14. Chase Elliott, No. 9
15. John Hunter Nemechek, No. 42
16. Erik Jones, No. 43
17. Christopher Bell, No. 20
18. AJ Allmendinger, No. 16
19. Tyler Reddick, No. 45
20. Kyle Busch, No. 8
21. Ty Gibbs, No. 54
22. Chris Buescher, No. 17
23. Justin Haley, No. 7
24. Denny Hamlin, No. 11
25. Daniel Suarez, No. 99
26. Cole Custer, No. 41
27. Michael McDowell, No. 71
28. Kyle Larson, No. 5
29. Noah Gragson, No. 4
30. Riley Herbst, No. 35
31. Shane van Gisbergen, No. 88
32. Cody Ware, No. 51
33. Ricky Stenhouse Jr., No. 47
34. Todd Gilliland, No. 34
35. Ty Dillon, No. 10
36. Zane Smith, No. 38
37. Joey Gase, No. 66