About this event
PCA REDWOOD REGION AUTOCROSS #1
Sunday, April 6, 2025 @ Thunderhill Raceway Park
Course Map: Red Map 4.6.25.pdf
This Zone 7 event is part of a 2-day autocross weekend, co-hosted with Sacramento Valley Region (SVR). Saturday, April 5, is run by SVR—register separately through their page.
Registration & Pricing
Deadline: Registration closes Wednesday, April 9, at midnight (or when 60 spots are filled).
Cost: Paid via MotorsportReg.com (MSR)
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$95 per driver
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-$10 PCA Member Discount
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-$10 Porsche Classification Discount
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$2 MSR Service Fee (paid to MSR directly)
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Second Driver? Must register separately with a different car number.
 
No walk-up registrations. All drivers must register online before the deadline.
Weekend Details
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Group Dinner: Join us Saturday night at Roundtable Pizza (5:00) to share stories from the day. Add your name when registering with Redwood or SVR. It's free.
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Camping: Thunderhill allows overnight camping for $20 per person per night—sign up when registering.
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Hotels: Find nearby accommodations.
 
Event Schedule
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7:00 AM – Gates Open
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7:30-8:00 AM – Check-in at the registration trailer
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8:00-8:30 AM – Tech inspection (cars must be ready by 8:15 AM)
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8:30 AM – Instructor-led course walk
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8:45 AM – Mandatory Drivers Meeting
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~9:00 AM – First car on course
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~12:00 PM – Lunch break (~30 minutes)
 
We aim for 6-8+ runs per driver, depending on run group efficiency. Let’s work together to maximize track time!
What to Bring
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Lunch & Water (some water provided)
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Hat & Sunscreen
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Layers for cool mornings / Rain gear if needed
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Folding chair
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Painter’s tape or magnets for car numbers (no blue tape on blue cars; numbers must be visible from stations)
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Helmet (Snell K, M, or SA-rated, 2010 or newer—loaners available)
 
Rules & Requirements
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Car Numbers: If you don’t have an assigned number, we will assign one at registration.
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Work Assignments: All drivers must work an assigned position (typically standing for ~1 hour per shift).
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This is an all-day event; Participants are required to take part in both morning and afternoon sessions
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Instruction: In-car coaching provided for new drivers.
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Car Safety: Your car must be in good mechanical condition, with no major leaks and a clear interior.
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Rain or Shine: The event runs in all weather—no refunds for inclement conditions.
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Prohibited: Drones, firearms, alcohol, and drugs are not allowed at PCA events.
 
Questions?
Contact Redwood Autocross Chair, Stacy O'Connell
Event requirements
Rules & Car Classification
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Zone 7 classification is encouraged!
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Complete the classification questionnaire.
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Need help? Contact Drew Powers or Brant Ballantyne.
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Non-Porsches or unclassified cars default to FUN category.
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The full set of rules can be found on the ZONE 7 website.
 
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Important Links:
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This event takes place at Thunderhill Raceway Park in Willows, CA .
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Live timing during the event will be available on the Redwood live timing website.
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Find more information on Redwood Autocross on the PCA Redwood Autocross page.
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Find more information on Zone 7 Autocross on the PCA Zone 7 Autocross Website.