Cooper Tires Mid-Ohio
Grand Prix
Race 1
Mid-Ohio Sports Car Course
2.258 Mile Road Course
30 Laps/67.74 Miles
July 28, 2018
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status | Points |
| 1 | 1 | Patricio O'Ward | 27 | Riverina CDMX Mexico City | Dallara IL-15 | Mazda MZR-R | 30 | 0:38:32.4973 105.455 | 32 |
| 2 | 3 | Colton Herta | 98 | Deltro Energy | Dallara IL-15 | Mazda MZR-R | 30 | 0:38:33.1334 105.426 | 25 |
| 3 | 6 | Dalton Kellett | 28 | K-Line Insulators USA | Dallara IL-15 | Mazda MZR-R | 30 | 0:38:44.3143 104.919 | 22 |
| 4 | 7 | Victor Franzoni | 23 | Mazda | Dallara IL-15 | Mazda MZR-R | 30 | 0:38:45.0011 104.888 | 19 |
| 5 | 2 | Ryan Norman | 48 | Journey | Dallara IL-15 | Mazda MZR-R | 30 | 0:39:08.5314 103.837 | 17 |
| 6 | 5 | Santiago Urrutia | 5 | BSE | Dallara IL-15 | Mazda MZR-R | 30 | 0:39:28.6122 102.956 | 15 |
| 7 | 4 | Aaron Telitz | 9 | Rice Lake Weighing Systems | Dallara IL-15 | Mazda MZR-R | 28 | Flagged | 14 |