Indy Grand Prix of Sonoma County
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| Venue | Infineon Raceway |
| Corporate sponsor | THQ |
| First race | 1970 |
| First IRL race | 2005 |
| Distance | 184 miles |
| Number of laps | 80 |
| Previous names | Golden State 150 (1970) Argent Mortgage Indy Grand Prix (2005) THQ Indy Grand Prix of Sonoma (2006) |
The Indy Grand Prix of Sonoma County is an Indy Racing League IndyCar Series race held at Infineon Raceway in Sonoma, California.
The USAC Championship Car circuit raced at the circuit in 1970. In 2005, American open wheel racing returned to the circuit with an Indycar Series event.
[edit] Past winners
| Season | Date | Winning Driver | Chassis | Engine |
|---|---|---|---|---|
| USAC Championship Car history | ||||
| 1970 | April 4 |  Dan Gurney |
Eagle | Ford |
| IRL Indycar Series history | ||||
| 2005 | August 28 |  Tony Kanaan |
Dallara | Honda |
| 2006 | August 27 | Marco Andretti |
Dallara | Honda |
[edit] References
| Previous race: | Current Indycar Series Races |
Next race: |
| Tracks of the Indy Racing League |
|---|
| Ovals Indianapolis Motor Speedway Chicagoland • Homestead • Iowa • Kansas • Kentucky • Michigan • Milwaukee • Motegi • Nashville • Richmond • Texas Road/Street Courses Former Tracks |
