GoPro Grand Prix of Sonoma
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| Venue | Sonoma Raceway |
|---|---|
| First race | 1970 |
| First ICS race | 2005 |
| Distance | 195.755 miles (315.037 km) |
| Laps | 85 |
| Previous names |
Golden State 150 (1970) Argent Mortgage Indy Grand Prix (2005) Indy Grand Prix of Sonoma (2006, 2010–2011) Motorola Indy 300 Pres. by Jackson Rancheria Casino & Hotel (2007) Peak Antifreeze & Motor Oil Indy Grand Prix of Sonoma County (2008) Peak Antifreeze Grand Prix of Sonoma County (2009) |
| Most wins (driver) | Will Power, Scott Dixon (3) |
| Most wins (team) | Team Penske (6) |
The GoPro Grand Prix of Sonoma is an IndyCar Series race held at Sonoma 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. The 2006 event saw rookie Marco Andretti win his first career race. It marked the record youngest winner (19 years, 5 months, 14 days) of a major open-wheel racing event at the time.
The IndyCar Series race utilizes a modified 2.2-mile (3.5 km) version of the road course, the same used by AMA Superbike. The circuit includes the carousel, making it longer than the NASCAR layout, but shorter than the full 2.52-mile (4.06 km) course. This course uses turn 7a of the NASCAR course, but skips the hairpin prior to the front straight. The dragstrip is used instead of the keyhole, adding a high speed section immediately following the exit of the carousel.
For 2012, the course was altered. The back hairpin used the inner loop instead of the outer loop used by NASCAR. Turn nine was widened by ten feet while turn eleven at the hairpin was extended by 200 feet.
Since 2015, the race had served as the IndyCar season finale.
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