About this event
SCCA San Francisco Region - Double Regional 13 & 14
October 24-25, 2025 - Thunderhill Raceway
Entry Fees:
- Early Bird entry fee Before 10/5
- Race Weekend Entry Fee = $675
- Dual Entry = Extra Class, Same Driver = $325
- Enter between 10/6 – 10/18
- Race Weekend Entry Fee = $700
- Dual Entry = Extra Class, Same Driver = $350
- Enter after 10/18
- Race Weekend Entry Fee = $725
- Dual Entry = Extra Class, Same Driver = $375
- Once day Entry Fee
- 50% of two day (depend on when you enter) + $145
Cancelation is the same as two-day entry
Purchase of one day Entry only available till 10/18
- 50% of two day (depend on when you enter) + $145
- Online entry closes October 21, 2025
- Groups will be published on this MSR page based on entry counts as of 10/6
- Enter by Friday October 10th to retain your reserved number.
- Confirm Car Numbers on MSR Friday afternoon the week before the race
*No Show/Cancellation Policy*
Prior to 10/5 = No Charge
10/6-10/18= $100
After 10/19 = $200
Schedule: Draft Schedule Estimated Time: Draft Event Session Estimate Times
Test Day: Hosted by Thunderhill Friday October 23, 2025 -Register Here
NEW!! Rent a Day Garage at Thunderhill!!!! Day Garage
Run Sunday 4 hour Enduro. Starts at 8:00, done at 2:30. Min 1 Driver, Max 4 Register for Enduro
If you have questions about the race weekend, please contact the SFR Office: 530-934-4455 or dottie@sfrscca.org
Event requirements
To enter any SFR road racing event, you must have a valid competition license.
In addition to SCCA licenses, the organizations whose licenses are currently approved by SCCA for competition in Regional events are as follows: BMW CCA Club Racing Full Competition; FIA Issued by any sanctioning body; Historic Sportscar Racing (HSR) HSR License; ICSCC; IMSA; NASA Full Competition; Porsche Club of America Full Competition; SCCA Pro Racing; SVRA; VARA; VMC.
All vehicles must meet the safety requirements detailed in the current SCCA General Competition Regulations. Transponder numbers are required for ALL CARS. If you do not have a transponder listed in your vehicle profile, you MUST rent one.
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 dottie@sfrscca.org
If you have technical issues with online entry for the event on MotorsportReg.com, you can contact MSR customer support during normal business hours at 415.462.5603 or by email here.
All drivers must still go through on-site registration with logbooks and licenses at the track.
On the next page: add or select your vehicle.
