SFR Championship Regional 7 & 8 info on Jun 3, 2023 (654594) |

This event is over! Can we show you some more events nearby?

SFR Championship Regional 7 & 8

SFR Championship Regional 7 & 8

SCCA - San Francisco Region - Club Racing

Saturday, Jun 3 — Sunday, Jun 4, 2023
Thunderhill Raceway Park, Willows, CA

Registration closed June 1, 2023 12:00 PM at 2023-06-01T12:00:00-0700 Registration ends June 1, 2023 12:00 PM at 2023-06-01T12:00:00-0700 Registration opens December 14, 2022 12:00 AM at 2022-12-14T00:00:00-0800 Registration runs from December 14, 2022 12:00 AM to June 1, 2023 12:00 PM




SCCA San Francisco Region

Championship Series Regionals 7 & 8

Thunderhill Raceway Park

June 3 & 4

Entry Fees:

Double Race $515

Single Race $375

Dual (extra class, same driver, all, or part of weekend)  $225

Schedule: 2023 Regional 7 & 8 SFR ROAD RACING SCHEDULE UPDATE 05-22-23 Vintage added.pdf

Supps:  2023 SFR Road Racing Supplementary Regulations 5-22-23 UPDATE.pdf

Track Configuration: 3-mile course

Test Day: Hosted by Thunderhill Raceway Park. Please call Schuyler for more information at 530-934-5588

Test Day June 2, 2023: Thunderhill Test Day Link

Enter by Friday May 26, 2023 to retain your permanent number.

Online entry closes Thursday June 1, 2023; after that you will need to enter at the track and pay the $50 post entry fee.

CAR NUMBERS are confirmed Friday afternoon the week before the race. 

Enter Now, Pay Later!  SFR will charge your credit card AFTER the race weekend. When you register for a race, you enter your credit card information; after the race weekend, we actually process the card. Now there’s no money barrier to entering early, ensuring you retain your all-important permanent number!

If you have questions about the race weekend, please contact the SF Region Office: 530-934-4455 or

Seven Groups:

Group 1/2 ………. FA, FA2, FA3, FC, FM, FX, F4,  ASR*, EM1*, EM2*, FE2, FS, P1, P2, S2*

GROUP 3 ............ AS, EP, ITE*, GT1, GT2, GT3, GTX*, MC*, SMX, SP*, T1, T2, T3

GROUP 4 ............ CF*, FF, FFT*, FST, FV, F6, 

GROUP 5 ............ B-SPEC, C-SPEC, EP,  FP, GTL, HP, ITA*, ITB*, ITC*, ITR*, ITS*, ITX*, SMG*, SSC5*, STL, STU, T4

GROUP 6 ............ SRF*, SRF3, SRFH

GROUP 7 ............ SM, SMT*, SSM*

GROUP 8............. CROSSFLOW CUP - Vintage Race - VCF*, VFF*


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 future entries for SFR events will be quick and painless!

  1. If you do not already have one, create an account on after reading these steps.
  2. Once logged in, click "My Account" in the top right
  3. Review your vehicle(s), making sure to enter your permanent/preferred numbers and your transponder number
  4. Enter your medical information for the Ambulance/Life Support crew.
  5. Now come back to this page and enter the event and pay online.