GRAND PRIX OF PORTLAND de Bel7 · 3 septembre 2018 GRAND PRIX OF PORTLAND Takuma Sato 30 20 105 02:00:09.7537 25 Running 51 102.971 3 2 Ryan Hunter-Reay 28 5 105 02:00:10.3621 19 Running 41 102.962 2 3 Sebastien Bourdais 18 4 105 02:00:11.5803 – Running 35 102.944