Iowa 300
Iowa Speedway
.894 Mile Paved Oval
300 Laps/268.2 Miles
July 20, 2019
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status | Points |
| 1 | 3 | Josef Newgarden | 2 | Hitachi | Dallara UAK 18 | Chevy | 300 | 1:56:53.5753 137.664 | 53 |
| 2 | 8 | Scott Dixon | 9 | PNC Bank | Dallara UAK 18 | Honda | 300 | 1:56:56.4280 137.608 | 41 |
| 3 | 5 | James Hinchcliffe | 5 | Arrow Electronics | Dallara UAK 18 | Honda | 300 | 1:56:56.9694 137.598 | 35 |
| 4 | 1 | Simon Pagenaud | 22 | Menards | Dallara UAK 18 | Chevy | 300 | 1:57:01.1383 137.516 | 34 |
| 5 | 19 | Spencer Pigot | 21 | Autogeek | Dallara UAK 18 | Chevy | 300 | 1:57:04.5436 137.449 | 30 |
| 6 | 6 | Alexander Rossi | 27 | NAPA Auto Parts | Dallara UAK 18 | Honda | 300 | 1:57:05.7061 137.427 | 28 |
| 7 | 20 | Zach Veach | 26 | Gainbridge | Dallara UAK 18 | Honda | 300 | 1:57:10.7020 137.329 | 26 |
| 8 | 7 | Graham Rahal | 15 | One Cure | Dallara UAK 18 | Honda | 299 | Flagged | 24 |
| 9 | 21 | Sébastien Bourdais | 18 | SealMaster | Dallara UAK 18 | Honda | 299 | Flagged | 23 |
| 10 | 13 | Tony Kanaan | 14 | ABC Supply | Dallara UAK 18 | Chevy | 299 | Flagged | 20 |
| 11 | 10 | Marcus Ericsson | 7 | Arrow Electronics | Dallara UAK 18 | Honda | 299 | Flagged | 19 |
| 12 | 12 | Santino Ferrucci | 19 | Cly-Del Manufacturing | Dallara UAK 18 | Honda | 299 | Flagged | 18 |
| 13 | 16 | Conor Daly | 59 | Gallagher | Dallara UAK 18 | Chevy | 299 | Flagged | 17 |
| 14 | 15 | Felix Rosenqvist | 10 | PNC Bank | Dallara UAK 18 | Honda | 299 | Flagged | 16 |
| 15 | 2 | Will Power | 12 | Verizon | Dallara UAK 18 | Chevy | 299 | Flagged | 16 |
| 16 | 22 | Matheus Leist | 4 | ABC Supply | Dallara UAK 18 | Chevy | 298 | Flagged | 14 |
| 17 | 9 | Ryan Hunter-Reay | 28 | DHL | Dallara UAK 18 | Honda | 298 | Flagged | 13 |
| 18 | 11 | Colton Herta | 88 | Harding Steinbrenner Racing | Dallara UAK 18 | Honda | 276 | Half shaft | 12 |
| 19 | 17 | Ed Carpenter | 20 | Autogeek | Dallara UAK 18 | Chevy | 262 | Wrecked | 11 |
| 20 | 4 | Takuma Sato | 30 | Panasonic/Mi-Jack | Dallara UAK 18 | Honda | 216 | Suspension | 10 |
| 21 | 18 | Marco Andretti | 98 | US Concrete/Curb Records | Dallara UAK 18 | Honda | 205 | Handling | 9 |
| 22 | 14 | Sage Karam | 31 | SmartStop Self Storage | Dallara UAK 18 | Chevy | 193 | Contact | 8 |
| Lap Leaders | Total | Laps |
| Josef Newgarden | 245 | 49-140, 144-253, 258-300 |
| Will Power | 49 | 3-48, 141-143 |
| Simon Pagenaud | 2 | 1-2 |
| Sébastien Bourdais | 2 | 254-255 |
| Scott Dixon | 2 | 256-257 |