Four Hour Enduro info on Oct 29, 2017 (242744) |

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Four Hour Enduro

SCCA - San Francisco Region - Club Racing

Sunday, October 29, 2017
Thunderhill Raceway Park, Willows, CA

Registration closed October 24, 2017 11:59 PM on October 24, 2017 11:59 PM PDT Registration ends October 24, 2017 11:59 PM on October 24, 2017 11:59 PM PDT Registration opens June 1, 2017 12:00 AM on June 1, 2017 12:00 AM PDT Registration runs from June 1, 2017 12:00 AM to October 24, 2017 11:59 PM


SCCA Four-Hour Enduro - Three-Mile Track

The Four-hour Enduro has been a fun, low pressure, year-end event for over a half century and we look forward to seeing you there this year. The Enduro is open to a broad spectrum of cars and drivers. 

Full weekend schedule - Regional and Enduro - All Enduro sessions are on Sunday, October 29

You can enter in the Traditional or Tag-Team driver format

Entry fee = $550  two drivers, traditional or tag-team)

$100 per 3rd or 4th driver (traditional co-driver format only)

Option of $275 per car/driver for Tag-Team format

Late registration fee of $30 will be charged after October 22.

Online registration closes at midnight on October 24; after that you must enter at the track and pay the $50 post entry fee.

Enduro classes: No open wheel cars allowed.

"PO"   Production based cars over 1700 cc’s 

"PU"   Production based cars of 1700 cc's or less 

"SO"   Sports Racing cars over 2000 cc's

"SU"   Sports Racing cars with 2000 cc's or less 

SR2”   Spec Racer Fords Gen 2 as defined in the GCR

SR3”   Spec Racer Fords Gen 3 as defined in the GCR

ME”  Miatas complying with San Francisco Region SMT/SSM rules


Enduro Supplemental Rules  

Drivers with current competition licenses from SCCA, BMW CCA, FIA, HSR, ICSCC, IMSA, MCSCC, NASA, PCA, SVRA, VMC, Grand-Am and other racing groups are accepted per the SCCA, General Competition Rules.

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

Attendee List

View current entry list


T-shirts for motorsport fans


Thunderhill Raceway Park
Location Willows, CA
Track Map Download a track map
Sticker Track Map OutlineBuy a track sticker
Video Watch a video (YouTube)
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