Flashback to 2015: Sebastien Bourdais secured his 33rd career victory after holding off Takuma Sato in the final laps of the Chevrolet Dual in Detroit. A red flag near the end of the race allowed Bourdais to conserve just enough fuel to secure the victory. sbourdais INDYCAR GardnerWhite #DetroitGP // #MotorCityMemories // #INDYCAR // #GardnerWhite