Um dos sete pilotos ainda com chances de ser campeão, o neozelandês Scott McLaughlin (Team Penske) marcou a pole-position para o GP de Portland, no Portland International Raceway, penúltima etapa da temporada. Na ‘Fast Six’ o piloto do carro #3 fez o tempo de 58s2349.
Vice-lÁder do campeonato o norte-americano Josef Newgarden completa a dobradinha da Penske na primeira fila. LÁder do campeonato, e também da Penske o australiano Will Power abre a segunda fila, seguido pelo dinamarquês Christian Lundgaard (Rahal Letterman Lanigan Racing).
Atual campeão o espanhol Alex Palou (Chip Ganassi Racing) divide a terceira fila com o mexicano Pato O’Ward (Arrow McLaren SP).
O brasileiro Hélio Castroneves (Meyer Shank Racing) alinha na 21ª posição.
Grid:
1 3 McLaughlin, Scott D/C/F 58.2349 121.412 Round 3 / Firestone Fast Six
2 2 Newgarden, Josef D/C/F 58.3129 121.249 Round 3 / Firestone Fast Six
3 12 Power, Will D/C/F 58.4254 121.016 Round 3 / Firestone Fast Six
4 30 Lundgaard, Christian (R) D/H/F 58.4482 120.969 Round 3 / Firestone Fast Six
5 10 Palou, Alex D/H/F 58.5075 120.846 Round 3 / Firestone Fast Six
6 5 O’Ward, Pato D/C/F 58.6090 120.637 Round 3 / Firestone Fast Six
7 7 Rosenqvist, Felix D/C/F 58.3475 121.177 Elimination Round 2 / Top 12
8 26 Herta, Colton D/H/F 58.3925 121.084 Elimination Round 2 / Top 12
9 27 Rossi, Alexander D/H/F 58.3983 121.072 Elimination Round 2 / Top 12
10 18 Malukas, David (R) D/H/F 58.4038 121.061 Elimination Round 2 / Top 12
11 15 Rahal, Graham D/H/F 58.4475 120.970 Elimination Round 2 / Top 12
12 21 VeeKay, Rinus D/C/F 58.5356 120.788 Elimination Round 2 / Top 12
13 14 Kirkwood, Kyle (R) D/C/F 58.4865 120.889 Elimination Round 1 / Group 1
14 77 Ilott, Callum (R) D/C/F 58.1988 121.487 Elimination Round 1 / Group 2
15 28 Grosjean, Romain D/H/F 58.5097 120.842 Elimination Round 1 / Group 1
16 9 Dixon, Scott D/H/F 58.2628 121.354 Elimination Round 1 / Group 2
17 45 Harvey, Jack D/H/F 58.5332 120.793 Elimination Round 1 / Group 1
18 8 Ericsson, Marcus D/H/F 58.3064 121.263 Elimination Round 1 / Group 2
19 60 Pagenaud, Simon D/H/F 58.6898 120.471 Elimination Round 1 / Group 1
20 20 Daly, Conor D/C/F 58.4398 120.986 Elimination Round 1 / Group 2
21 06 Castroneves, Helio D/H/F 58.7534 120.340 Elimination Round 1 / Group 1
22 51 Sato, Takuma D/H/F 58.6058 120.643 Elimination Round 1 / Group 2
23 48 Johnson, Jimmie D/H/F 59.1933 119.446 Elimination Round 1 / Group 1
24 29 DeFrancesco, Devlin (R) D/H/F 58.6127 120.629 Elimination Round 1 / Group 2
25 4 Kellett, Dalton D/C/F 59.0082 119.821 Elimination Round 1 / Group 2