Whant to see some racing, please help!

[HEATSEEKER]

Hello!

I am flying to USA(San francisco) in late december to mid januari.
Going by car from SF to Los angeles and then to Las vegas.

I woundering if there are ANY racing att all around this places?
I land in SF 26 December and home 10 Januari.

I would love to see some real racing so pleease help me...

Thanks!