RacingThe Loud Pedal EditorJune 18, 2019sonoma racewaySonoma Raceway, SRO, blancpain GT, blancpainComment 2019 Blancpain GT World Challenge: Sonoma Edition Bringing an international flavor to Northern California RacingThe Loud Pedal EditorJune 18, 2019sonoma racewaySonoma Raceway, SRO, blancpain GT, blancpainComment