2018 Portland 1
Portland International Raceway
1.964 Mile Road Course
25 Laps/49.1 Miles
September 1, 2018
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status | Points |
| 1 | 1 | Kyle Kirkwood | 8 | Firstex/Cape Brothers SpeedShop/Primus Racing | Tatuus USF-17 | Mazda MZR | 25 | 0:31:59.681 | 33 |
| 2 | 9 | Calvin Ming | 21 | Mings Products and Services(MPS)/APAN | Tatuus USF-17 | Mazda MZR | 25 | 0:32:01.699 | 25 |
| 3 | 7 | Kory Enders | 11 | MBSugarland/Caliber Collision/McLaren Houston | Tatuus USF-17 | Mazda MZR | 25 | 0:32:02.138 | 22 |
| 4 | 3 | Rasmus Lindh | 23 | Chicago Pneumatic | Tatuus USF-17 | Mazda MZR | 25 | 0:32:02.369 | 19 |
| 5 | 5 | Lucas Kohl | 22 | Bellko Trading/Kohltrade/IVI Vision | Tatuus USF-17 | Mazda MZR | 25 | 0:32:03.370 | 17 |
| 6 | 6 | Braden Eves | 41 | Addison Holdings LLC/CCFI/Cambox Meca/Sabelt | Tatuus USF-17 | Mazda MZR | 25 | 0:32:04.567 | 15 |
| 7 | 2 | Kaylen Frederick | 24 | Pilot ONE Racing | Tatuus USF-17 | Mazda MZR | 25 | 0:32:06.199 | 14 |
| 8 | 13 | Dakota Dickerson | 9 | ArmsUp Motorsports | Tatuus USF-17 | Mazda MZR | 25 | 0:32:08.280 | 13 |
| 9 | 8 | Julian Van der Watt | 80 | Race Driver SA/Crossley & Webb | Tatuus USF-17 | Mazda MZR | 25 | 0:32:08.758 | 12 |
| 10 | 12 | Kyle Dupell | 81 | Opal Creek Capital/Pro Race Management | Tatuus USF-17 | Mazda MZR | 25 | 0:32:08.877 | 11 |
| 11 | 16 | Kellen Ritter | 90 | CMSI/Bosa Foods/Edgar Development/Molecule | Tatuus USF-17 | Mazda MZR | 25 | 0:32:09.233 | 10 |
| 12 | 11 | José Sierra | 12 | Go-kart Mania/RPLracing/Telcel | Tatuus USF-17 | Mazda MZR | 25 | 0:32:10.598 | 9 |
| 13 | 17 | Oscar DeLuzuriaga | 38 | Newman Wachs Racing | Tatuus USF-17 | Mazda MZR | 25 | 0:32:12.258 | 8 |
| 14 | 18 | Max Peichel | 14 | Starkey Foundation/Promark Drones/PLH & Associates | Tatuus USF-17 | Mazda MZR | 25 | 0:32:12.452 | 7 |
| 15 | 4 | Igor Fraga | 91 | Cenibra/Usiminas | Tatuus USF-17 | Mazda MZR | 25 | 0:32:30.858 | 6 |
| 16 | 14 | Russell McDonough | 29 | Lost Forty Brewery | Tatuus USF-17 | Mazda MZR | 25 | 0:32:37.807 | 5 |
| 17 | 10 | Colin Kaminsky | 27 | Slick Locks | Tatuus USF-17 | Mazda MZR | 25 | 0:32:39.650 | 4 |
| 18 | 15 | Bruna Tomaselli | 82 | Bruna&Bia | Tatuus USF-17 | Mazda MZR | 18 | Wrecked | 3 |