Iowa Corn 300
| Pos | No | Driver | Team | Start | Laps | Time | Laps Led | Status | Pts | Avg Speed |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 21 | Josef Newgarden | Ed Carpenter Racing | 2 | 300 | 01:52:16.3613 | 282 | Running | 53 | 143.33 |
| 2 | 12 | Will Power | Team Penske | 8 | 300 | 01:52:20.6441 | Running | 40 | 143.239 | |
| 3 | 9 | Scott Dixon | Chip Ganassi Racing | 10 | 300 | 01:52:21.8698 | 1 | Running | 36 | 143.212 |
| 4 | 22 | Simon Pagenaud | Team Penske | 1 | 300 | 01:52:22.5440 | 11 | Running | 34 | 143.198 |
| 5 | 7 | Mikhail Aleshin | Schmidt Peterson Motorsports | 9 | 300 | 01:52:23.3999 | Running | 30 | 143.18 | |
| 6 | 98 | Alexander Rossi | Andretti Autosport | 17 | 299 | 01:52:17.7462 | 4 | Running | 29 | 142.822 |
| 7 | 10 | Tony Kanaan | Chip Ganassi Racing | 6 | 299 | 01:52:24.1862 | Running | 26 | 142.686 | |
| 8 | 11 | Sebastien Bourdais | KV Racing Technology | 16 | 299 | 01:52:25.9198 | Running | 24 | 142.649 | |
| 9 | 5 | James Hinchcliffe | Schmidt Peterson Motorsports | 22 | 299 | 01:52:31.5162 | Running | 22 | 142.531 | |
| 10 | 83 | Charlie Kimball | Chip Ganassi Racing | 5 | 299 | 01:52:31.8056 | Running | 20 | 142.525 | |
| 11 | 14 | Takuma Sato | A.J. Foyt Enterprises | 13 | 298 | 01:52:18.9344 | Running | 19 | 142.32 | |
| 12 | 26 | Carlos Munoz | Andretti Autosport | 15 | 298 | 01:52:19.8414 | Running | 18 | 142.301 | |
| 13 | 3 | Helio Castroneves | Team Penske | 3 | 298 | 01:52:27.6624 | Running | 17 | 142.136 | |
| 14 | 27 | Marco Andretti | Andretti Autosport | 19 | 298 | 01:52:29.7522 | Running | 16 | 142.092 | |
| 15 | 41 | Jack Hawksworth | A.J. Foyt Enterprises | 14 | 298 | 01:52:30.9600 | Running | 15 | 142.066 | |
| 16 | 15 | Graham Rahal | Rahal Letterman Lanigan Racing | 12 | 297 | 01:52:17.2826 | Running | 14 | 141.877 | |
| 17 | 19 | Gabby Chaves | Dale Coyne Racing | 18 | 293 | 01:52:25.5470 | Running | 13 | 139.795 | |
| 18 | 20 | Ed Carpenter | Ed Carpenter Racing | 7 | 284 | 01:52:34.3399 | Running | 12 | 135.324 | |
| 19 | 8 | Max Chilton | Chip Ganassi Racing | 4 | 274 | 01:52:34.8394 | 2 | Running | 12 | 130.55 |
| 20 | 2 | Juan Pablo Montoya | Team Penske | 11 | 179 | 01:10:55.9281 | Mechanical | 10 | 135.363 | |
| 21 | 18 | Conor Daly | Dale Coyne Racing | 21 | 141 | 00:55:55.8203 | Mechanical | 9 | 135.226 | |
| 22 | 28 | Ryan Hunter-Reay | Andretti Autosport | 20 | 105 | 00:34:22.7495 | Mechanical | 8 | 163.826 |
