The 2018 Mazda Iowa 100 was Round 10 of the 2018 Indy Lights series. The event was held at Iowa Speedway in Iowa, United States on 8 July 2018. Patricio O’Ward was the race winner.
Mazda Iowa 100 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Laps | Race Time | Laps Led | Status | Pit Stops | Avg. Speed | Started | Points |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 27 | Patricio O'Ward | Dallara | Mazda | Cooper | 100 | 34:37.2551 | 100 | Running | 0 | 154.935 | 1 | 47 |
| 2 | 98 | Colton Herta | Dallara | Mazda | Cooper | 100 | 34:40.0809 | - | Running | 0 | 154.725 | 2 | 38 |
| 3 | 5 | Santi Urrutia | Dallara | Mazda | Cooper | 100 | 34:42.9371 | - | Running | 0 | 154.513 | 5 | 33 |
| 4 | 48 | Ryan Norman | Dallara | Mazda | Cooper | 100 | 34:43.2954 | - | Running | 0 | 154.486 | 3 | 29 |
| 5 | 28 | Dalton Kellett | Dallara | Mazda | Cooper | 100 | 34:45.1907 | - | Running | 0 | 154.346 | 4 | 26 |
| 6 | 23 | Victor Franzoni | Dallara | Mazda | Cooper | 100 | 34:45.8309 | - | Running | 0 | 154.298 | 7 | 23 |
| 7 | 9 | Aaron Telitz | Dallara | Mazda | Cooper | 100 | 34:46.8152 | - | Running | 0 | 154.225 | 6 | 21 |