SFR Championship Regional 15, 16, & 17 info on Oct 27, 2023 (369358) |

SFR Championship Regional 15, 16, & 17

SFR Championship Regional 15, 16, & 17

SCCA - San Francisco Region - Club Racing

Friday, Oct 27 — Sunday, Oct 29, 2023
Thunderhill Raceway Park, Willows, CA

Registration closed October 24, 2023 11:59 PM at 2023-10-24T23:59:00-0700 Registration ends October 24, 2023 11:59 PM at 2023-10-24T23:59:00-0700 Registration opens November 8, 2022 12:00 AM at 2022-11-08T00:00:00-0800 Registration runs from November 8, 2022 12:00 AM to October 24, 2023 11:59 PM






SCCA San Francisco Region

Championship Series Regionals 15-17

Tom McCarthy Memorial Races

Thunderhill Raceway Park

October 27-29

Entry Fees:

Double Race $515

Single Race $375

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

Schedule: TBA

Track Configuration: 1.9 Mile, 3 Mile, & 5 Mile

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

Test Day October 26, 2023: Thunderhill Test Day Link

*** All Races Double Points 

Enter by Friday October 20, 2023 to retain your permanent number.

Online entry closes Thursday October 26, 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 …………. FA, FA2, FA3, FM, FX, F4

GROUP 2 ............ 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*, FC, 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*

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.