Mazda St. Louis Indy Lights
Oval Challenge
Gateway Motorsports Park
1.25 Mile Paved Oval
75 Laps/93.75 Miles
August 26, 2017
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status | Points |
| 1 | 2 | Santiago Urrutia | 5 | Arrow Electronics | Dallara IL-15 | Mazda MZR-R | 75 | 0:46:20.8012 121.399 | 30 |
| 2 | 1 | Juan Piedrahita | 2 | PetroSur | Dallara IL-15 | Mazda MZR-R | 75 | 0:46:20.5330 121.380 | 27 |
| 3 | 7 | Colton Herta | 98 | Deltro Energy/Mazda | Dallara IL-15 | Mazda MZR-R | 75 | 0:46:21.0453 121.357 | 22 |
| 4 | 5 | Kyle Kaiser | 18 | Juncos Racing | Dallara IL-15 | Mazda MZR-R | 75 | 0:46:22.6249 121.288 | 19 |
| 5 | 9 | Nicolas Dapero | 31 | American Brokers | Dallara IL-15 | Mazda MZR-R | 75 | 0:46:23.1655 121.265 | 17 |
| 6 | 6 | Zachary Claman De Melo | 13 |
ZCD Montreal/Zoological Wildlife Foundation
|
Dallara IL-15 | Mazda MZR-R | 75 | 0:46:23.2149 121.263 | 16 |
| 7 | 11 | Dalton Kellett | 28 | K-Line Insulators USA | Dallara IL-15 | Mazda MZR-R | 75 | 0:46:24.1836 121.220 | 14 |
| 8 | 4 | Ryan Norman | 48 | Flip Side/Mazda/Aggressive Sound | Dallara IL-15 | Mazda MZR-R | 75 | 0:46:26.4966 121.120 | 13 |
| 9 | 10 | Shelby Blackstock | 51 | Starstruck | Dallara IL-15 | Mazda MZR-R | 74 | Flagged | 12 |
| 10 | 12 | Matheus Leist | 26 | TMA | Dallara IL-15 | Mazda MZR-R | 73 | Flagged | 11 |
| 11 | 3 | Nico Jamin | 27 | Mazda | Dallara IL-15 | Mazda MZR-R | 68 | Spun | 10 |
| 12 | 8 | Neil Alberico | 22 | Rising Star Racing | Dallara IL-15 | Mazda MZR-R | 61 | Wrecked | 9 |
| 13 | 14 | Garth Rickards | 11 | Luther Automotive | Dallara IL-15 | Mazda MZR-R | 61 | Wrecked | 8 |
| 14 | 15 | Chad Boat | 84 | Pristine Auction | Dallara IL-15 | Mazda MZR-R | 58 | Wrecked | 7 |
| 15 | 13 | Aaron Telitz | 9 | Mazda/Rice Lake Weighing Systems | Dallara IL-15 | Mazda MZR-R | 1 | Wrecked | 6 |