Fri, Sep 18, 2026

3 Mile - Open Test - NASA 12 Hr.

Thunderhill Raceway Park

About this event

Open testing on Thunderhill Raceway Park's 3-mile East course. Race prepared cars only. No passengers are allowed during TRP Open Test events. Driver check-in will take place at the GiftShop starting at 7:00 am. 

  • Race prepared cars only which means cars MUST have safety equipment appropriate for club racing. 
  • Drivers MUST also wear racing apparel while on course. 
  • No passengers allowed. 
  • Driver check-in will take place at the TRP Gift Shop starting at 7:00am Friday. 
  • Entry fee: $499 per car; unlimited drivers. Drivers must sign testing form in the Gift Shop to acquire the wristband which allows you on track. 
  • Half Day Fee: $349; unlimited drivers 

8:30AM MANDATORY DRIVERS MEETING

9AM - OPEN TRACK

12PM-1PM - LUNCH

1PM - OPEN TRACK

5PM - TRACK COLD

 

Event requirements

Helmet and full driver race gear is required.

Race prepared cars only.

Thunderhill Raceway Park

Willows, CA
Download track map
Download track map
Buy virtual track walk
Buy virtual track walk

Organizer

Open Track organized by

Thunderhill Raceway Park

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3 Mile - Open Test - NASA 12 Hr.

Fri, Sep 18, 2026