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Four-hour Enduro

October 29, 2017

Four-Hour Enduro – Thunderhill Three-Mile Track

All sessions on Sunday, October 29

Full event schedule – Regional and Enduro

The Four-hour Enduro is back on the schedule after missing last year. It’s a fun, low pressure, year-end event promoting teamwork and longer distance racing. The Enduro is open to a broad spectrum of cars and drivers with most competition licenses.

Thunderhill Raceway


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 12 noon on October 25; 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 office@sfrscca.org


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