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2019 TireRack.com ChampCar Endurance Series Sonoma Raceway Double-7-Hour - TireRack.com ChampCar Endurance Series®
Saturday – TireRack.com ChampCar Endurance Series Sonoma Raceway 7-Hour Enduro Rain and flooding was the problem of the day at Saturdays double-7-hour endurance race at Sonoma Raceway in Northern California. Congratulations to the TireRack.com ChampCar Endurance Series Sonoma Raceway Race 1 Saturday Winner! The #97 Door Slammers Mazda Miata wins the 7-Hour enduro. Saturday Race Results …