Fri, Sep 18
2026
Open Track
Location
Add this to your calendar.
Get 3 Mile - Open Test - NASA 12 Hr. on your phone's calendar.
No passengers are allowed during TRP Open Test events.
About this event
Thunderhill Raceway Park on Friday, September 18, 2026 at Thunderhill Raceway Park, Willows, CA - 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 ...
Organized by Thunderhill Raceway Park
More upcoming events at Thunderhill Raceway Park
Sep 5, 2026
DriveTrackTime Sept 5, 2026Sep 5, 2026
Thunderhill Raceway: Dirt Outlaw Racing SeriesSep 10, 2026
Thunderhill 3 Mile ThursdaySep 11, 2026
PCA Diablo Region DE at ThunderhillSep 12–13, 2026
Reno SCCA Track Day / Time Attack 3 & 4Sep 14–15, 2026
N2 Track Days - Thunderhill Raceway ParkSep 16, 2026
Time TrialSep 18–19, 2026
12 Hours of ThunderhillSep 19, 2026
2026 PCA-SVR Autocross #6Sep 24, 2026
JP43 1on1 at Thunderhill VolantVivereSep 24, 2026
Track Night 2026: Thunderhill Raceway - September 24Sep 26–27, 2026
SCCA Sacramento Autocross Round 13&14Oct 3–4, 2026
*New Pavement* 10/3 - 10/4 Thunderhill 3 MileOct 3–4, 2026
NBCA - Autocross - All Cars - Events 99 & 100Oct 10–11, 2026
FSAE team sign up NorCal Shootout 2026Oct 10–11, 2026
OnGrid Motorsports Meetup 2026Oct 10, 2026
Thunderhill Raceway: Southern Thunder Super Dirt SeriesOct 15, 2026
3 Mile - Open Test - SFR October RegionalOct 15, 2026
Time Trial - CompetitionOct 17, 2026
2026 PCA-SVR Autocross #7 (Zone 7 event)Oct 22, 2026
Track Night 2026: Thunderhill Raceway - October 22Oct 24–25, 2026
Speed SF - Thunderhill West 10/24 - 10/25Oct 24–25, 2026
SCCA Sacramento Autocross Round 15&16Oct 30 – Nov 1, 2026
Rolling Thunder 2026Nov 1, 2026
Superbike-Coach Track Day & Track Academy Class