Sun, Sep 21, 2025

2025 Redwood Region Autocross #2

Sonoma County Fairgrounds

About this event

PCA REDWOOD REGION AUTOCROSS #2
Sunday, September 21, 2025 @ Sonoma County Fairgrounds

After a date change created a conflict for ESCA, Redwood PCA can fill in and is excited for the opportunity to host a local autocross in Sonoma County!

Registration & Pricing

  • Registration for PCA & ESCA members opens at 6:00 PM on August 31 
  • Registration for non-PCA / ESCA members opens at 6:00 PM on September 4
  • Registration closes Wednesday, September 17, at midnight (or when 50 spots are filled)
  • $80 per driver paid via MotorsportReg.com (MSR)
  • $10 Discount for PCA or ESCA Members 
  • $2 MSR Service Fee (paid directly to MSR)
  • Two-Driver Car? Both drivers must register separately and use different car numbers
  • No walk-up registrations. All drivers must register online before the deadline

Event Schedule

  • 8:00 AM-9:15 AM – Gates Open
  • 8:15-9:15 AMDriver check-in at the registration trailer
  • 8:30-9:15 AM – Tech inspection (cars must be ready by 8:30 AM)
  • 9:00 AM – Instructor-led course walk
  • 9:40 AMMandatory Drivers' Meeting
  • ~10:00 AM – First car on course, decibel limit is 95
  • ~12:30 PM – Lunch break (~30 minutes)
  • ~1:00 PM – Afternoon runs begin
  • We aim for 8-10 runs per driver, depending on run group efficiency. Let’s work together to maximize run time!

What to Bring

  • Lunch & Water 
  • Hat & Sunscreen
  • Layers for cool mornings
  • Folding chair for lunch break
  • Car numbers: painter’s tape or magnets (no blue tape on blue cars; numbers must be visible from stations)
  • Helmet (Snell K, M, or SA-rated, 2010 or newer – loaners available)

Rules & Requirements

  • Car numbers: If you don’t have an assigned number, one will be provided at registration
  • Work assignments: All drivers must work an assigned position (typically standing for ~1 hour per shift)
  • This is an all-day event: Plan on joining both morning and afternoon sessions – check with the event chair if you need an exception
  • Instruction: In-car coaching provided for new drivers
  • If there are two people in a car, one must be a PCA instructor
  • Vehicle requirements: Cars must be in good mechanical condition, with no major leaks and a clear interior
  • Convertible roll bars: Non-Porsche convertibles without factory rollover protection can run on street tires (200+ TW) with stock seatbelts. If running race tires (<200 TW) or 4/5/6-point harnesses, a roll bar is required
  • Rain or shine: The event runs in all weather – no refunds for inclement conditions
  • Prohibited: Drones, firearms, alcohol, and drugs are not allowed at PCA events
  • 10 mph limit on-site when not on course
  • Please drive respectfully to and from the site

Questions?

Contact Redwood Autocross Chair, Stacy O'Connell

Event requirements

Car Classification

We use car classes to group drivers fairly, and car classification is encouraged!

Important Links: 

Sonoma County Fairgrounds

Santa Rosa, CA

Organizer

Autocross/Solo organized by

PCA - Redwood

2025 Redwood Region Autocross #2

Sun, Sep 21, 2025