Thunderhill Major info on Apr 7, 2018 (655291) |

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Thunderhill Major

Thunderhill Major

SCCA - San Francisco Region - Club Racing

Saturday, Apr 7 — Sunday, Apr 8, 2018
Thunderhill Raceway Park, Willows, CA

Registration closed April 4, 2018 12:01 PM on April 4, 2018 12:01 PM PDT Registration ends April 4, 2018 12:01 PM on April 4, 2018 12:01 PM PDT Registration opens March 5, 2018 12:00 AM on March 5, 2018 12:00 AM PST Registration runs from March 5, 2018 12:00 AM to April 4, 2018 12:01 PM


San Francisco Region SCCA

Thunderhill Major

Thunderhill Raceway

April 7-8

   Schedule revised April 3 - pdf format


If you have an SCCA Full Competition license, you can enter to qualify for the Runoffs in October. Sorry, Novice Permits and other licenses cannot be accepted for this race.

Online entry closes Wednesday, April 4 at 12 noon; Entries received between Monday and Wednesday of the event week will be charged a $30 late fee. After that you will need to enter at the track and pay the $50 post entry fee.

PREFERRED NUMBERS: For entries received by the Region Office through March 26, Conference Preferred Numbers that were reserved via the Majors Series Registration prior to the opening of online registration for this event will receive priority assignment. Secondary preference will be given to San Francisco Region reserved number holders. Due to the combination of classes within the run groups this may not be possible in all cases. On March 27, all unused reserved numbers will be released on a first-come, first-served basis.

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!

Thunderhill Test Day on Friday, April 6 -

Paddock opens at 5:30 pm on Thursday, April 5.

Major Supplementary Regulations

Entry Fees:

Major     $550 

Dual       Second entry, same driver  $300  

Post entry fee (entering at the track)  $50 additional

Major Groups:

1............. AS, GT1, GT2, GT3

2.............T1, T3, T4

3.............B-Spec, T2, GTL, STL, STU, EP,  FP, HP

4............. FF, FV, F5

5.............FA, FM

6............. SRF3


8.............FB, FC, FE, FE2, P1, P2

If you have questions about the event, please contact the SF Region Office: 888-995-7222 or

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. Click on 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.

Attendee List

View current entry list


SCCA - San Francisco Region - Club Racing

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Sherry Grantz
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Thunderhill Raceway Park
Location Willows, CA
Track Map Download a track map
Sticker Track Map OutlineBuy a track sticker
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