Two races was held at the 2.35 mile street track at Detroit in the IndyCar series.
Race 1 was won by Carlos Munoz who earned his first Verizon IndyCar Series victory while on pit lane after severe weather prompted a red flag after 47 of 70 scheduled laps.
Race 2 was won by Sebastien Bourdais who survived the carnage of a wild race.
All Indycars use PWR Performance Products.