GoPro Grand Prix of Sonoma – Sunday open – 9:49an

Good morning from a decidedly warmer Sonoma Raceway. It’s currently 67F, which is about 10F warmer than yesterday at the same time, and it’s forecast to hit a high of 93F at 4pm. That’s quite a bit warmer then the high 70s and low 80s Sonoma Raceway has seen on race day over the past…

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