About this event
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San Francisco Region Vintage Classic Sports Car Festival at Thunderhill Raceway September 11-12 Featuring Trans-Am 2.5 Challenge, cars that were originally in the 1971-1972 "2.5 Challenge Series". Practice, qualifying and group races each day. The event schedule can be found on www.sfrscca.org on the September 11-12 Calendar pages (click on calendar button at top of any page; go to Sept. 11-12)
Race Groups and Sound Limits Group 2 Trans Am 2.5 Challenge Group 3 Small Bore Formula/Sports Racers Group 4 Historic Stock Car Group 5 Big Bore Be sure to read the Supplementary Regulations before entering. The sound limit for all groups at Thunderhill is 103 db. |
Event requirements
If you do not already have a MotorsportReg account, please follow the steps below to create your account this first time. Next time you enter, just log into your account and entfuture entries for SFR events will be quick and painless!
- If you do not already have one, create an account on MotorsportReg.com after reading these steps.
- Once logged in, click "My Account" in the top right
- Review your vehicle(s), making sure to enter your permanent/preferred numbers and your transponder number
- Enter your medical information for the Ambulance/Life Support crew.
- Now come back to this page and enter the event and pay online.
You will receive an email confirmation/receipt of your entry. If you have any questions about the event, you can call the SCCA office at 530-934-4455 or email at scca@thunderhill.com.
If you have technical issues with online entry for the event on MotorsportReg.com, you can contact their customer support during normal business hours at 415.462.5603 or by email here.
Transponder numbers are required for ALL CARS. If you do not have a transponder listed in your vehicle profile, you MUST rent one.
Car numbers must be two or three digits, but they cannot start with zero.
Sound limit of 103 db will be enforced for all sessions.
You should read the Supplementary Regulations before coming to the event.
All drivers must still go through on-site registration with logbooks and licenses at the track!
ON THE NEXT PAGE: You must add or select your vehicle and that vehicle MUST have a transponder number.
