Results: IndyCar Series Grand Prix of Portland
| Pos | Num | Name | Laps | Diff | Gap | Engine | Team |
| 1 | 10 | Alex Palou | 110 | Honda | Chip Ganassi Racing | ||
| 2 | 27 | Alexander Rossi | 110 | 1.2895 | 1.2895 | Honda | Andretti Autosport |
| 3 | 9 | Scott Dixon | 110 | 4.4406 | 3.1511 | Honda | Chip Ganassi Racing |
| 4 | 60 | Jack Harvey | 110 | 8.2208 | 3.7802 | Honda | Meyer Shank Racing |
| 5 | 2 | Josef Newgarden | 110 | 8.9566 | 0.7358 | Chevy | Team Penske |
| 6 | 7 | Felix Rosenqvist | 110 | 9.3231 | 0.3665 | Chevy | Arrow McLaren SP |
| 7 | 8 | Marcus Ericsson | 110 | 10.3425 | 1.0194 | Honda | Chip Ganassi Racing |
| 8 | 26 | Colton Herta | 110 | 12.2628 | 1.9203 | Honda | Andretti Autosport |
| 9 | 3 | Scott McLaughlin | 110 | 13.9438 | 1.681 | Chevy | Team Penske |
| 10 | 15 | Graham Rahal | 110 | 17.5449 | 3.6011 | Honda | Rahal Letterman Lanigan Racing |
| 11 | 18 | Ed Jones | 110 | 18.1590 | 0.6141 | Honda | Dale Coyne Racing with Vasser Sullivan |
| 12 | 30 | Takuma Sato | 110 | 18.7513 | 0.5923 | Honda | Rahal Letterman Lanigan Racing |
| 13 | 12 | Will Power | 110 | 19.8312 | 1.0799 | Chevy | Team Penske |
| 14 | 5 | Pato O’Ward | 110 | 20.8494 | 1.0182 | Chevy | Arrow McLaren SP |
| 15 | 28 | Ryan Hunter-Reay | 110 | 25.5636 | 4.7142 | Honda | Andretti Autosport |
| 16 | 20 | Conor Daly | 110 | 27.3972 | 1.8336 | Chevy | Ed Carpenter Racing |
| 17 | 21 | Rinus VeeKay | 110 | 31.9461 | 4.5489 | Chevy | Ed Carpenter Racing |
| 18 | 14 | Sebastien Bourdais | 110 | 32.4259 | 0.4798 | Chevy | AJ Foyt Enterprises |
| 19 | 59 | Max Chilton | 110 | 33.2897 | 0.8638 | Chevy | Carlin |
| 20 | 48 | Jimmie Johnson | 110 | 33.7026 | 0.4129 | Honda | Chip Ganassi Racing |
| 21 | 22 | Simon Pagenaud | 109 | 1 Lap | 1 Lap | Chevy | Team Penske |
| 22 | 51 | Romain Grosjean | 95 | 15 Laps | 14 Laps | Honda | Dale Coyne Racing w/RWR |
| 23 | 6 | Helio Castroneves | 91 | 19 Laps | 4 Laps | Honda | Meyer Shank Racing |
| 24 | 45 | Oliver Askew | 89 | Contact | Honda | Rahal Letterman Lanigan Racing | |
| 25 | 77 | Callum Ilott | 77 | Mechanical | Chevy | Juncos Hollinger Racing | |
| 26 | 4 | Dalton Kellett | 50 | Mechanical | Chevy | AJ Foyt Enterprises | |
| 27 | 29 | James Hinchcliffe | 1 | Contact | Honda | Andretti Steinbrenner Autosport |
