Iowa Corn 300
Iowa Speedway
.894 Mile Paved Oval
300 Laps/268.2 Miles
July 9, 2017
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status | Points |
| 1 | 3 | Helio Castroneves | 3 | Hitachi | Chevy | Chevy | 300 | 1:55:11.2807 139.702 | 53 |
| 2 | 2 | J. R. Hildebrand | 21 | Fuzzy's Ultra Premium Vodka | Chevy | Chevy | 300 | 1:55:15.2454 139.622 | 41 |
| 3 | 15 | Ryan Hunter-Reay | 28 | DHL | Honda | Honda | 300 | 1:55:15.8652 139.609 | 35 |
| 4 | 1 | Will Power | 12 | Verizon | Honda | Honda | 300 | 1:55:17.0210 139.586 | 34 |
| 5 | 10 | Graham Rahal | 15 | Gehl | Honda | Honda | 300 | 1:55:21.4618 139.497 | 30 |
| 6 | 16 | Josef Newgarden | 2 | Fitzgerald Glider Kits | Chevy | Chevy | 300 | 1:55:22.3307 139.479 | 27 |
| 7 | 11 | Simon Pagenaud | 1 | Menards | Chevy | Chevy | 300 | 1:55:23.5369 139.455 | 27 |
| 8 | 17 | Scott Dixon | 9 | NTT DATA | Honda | Honda | 300 | 1:55:25.6460 139.412 | 24 |
| 9 | 7 | Tony Kanaan | 10 | NTT DATA | Honda | Honda | 300 | 1:55:26.3991 139.397 | 22 |
| 10 | 9 | James Hinchcliffe | 5 | Arrow Electronics/Lucas Oil | Honda | Honda | 300 | 1:55:27.1050 139.383 | 20 |
| 11 | 12 | Alexander Rossi | 98 | ShopAndretti.com | Honda | Honda | 299 | Flagged | 19 |
| 12 | 4 | Ed Carpenter | 20 | Fuzzy's Ultra Premium Vodka | Chevy | Chevy | 299 | Flagged | 18 |
| 13 | 18 | Esteban Gutiérrez | 18 | Unifin | Honda | Honda | 299 | Flagged | 17 |
| 14 | 13 | Max Chilton | 8 | Gallagher | Honda | Honda | 299 | Flagged | 17 |
| 15 | 14 | Charlie Kimball | 83 | Tresiba | Honda | Honda | 298 | Flagged | 16 |
| 16 | 5 | Takuma Sato | 26 | Panasonic | Honda | Honda | 298 | Flagged | 14 |
| 17 | 20 | Marco Andretti | 27 | #CHECKIT4ANDRETTI | Honda | Honda | 298 | Flagged | 14 |
| 18 | 8 | Ed Jones | 19 | Boy Scouts of America | Honda | Honda | 297 | Flagged | 12 |
| 19 | 19 | Conor Daly | 4 | ABC Supply | Chevy | Chevy | 168 | Wrecked | 11 |
| 20 | 21 | Carlos Muñoz | 14 | ABC Supply | Chevy | Chevy | 130 | Wrecked | 10 |
| 21 | 6 | Mikhail Aleshin | 7 | SMP Racing/Lucas Oil | Honda | Honda | 56 | Wrecked | 9 |
| Lap Leaders | Total | Laps |
| Helio Castroneves | 217 | 20-96, 136-173, 184-252, 268-300 |
| J. R. Hildebrand | 38 | 97-134 |
| Will Power | 23 | 1-19, 135, 253-255 |
| Charlie Kimball | 10 | 174-183 |
| Marco Andretti | 7 | 261-267 |
| Simon Pagenaud | 2 | 257-258 |
| Max Chilton | 2 | 259-260 |
| Josef Newgarden | 1 | 256 |