Thunderhill Raceway

Shifter Start on the West track Shifter Start on the West track
Thunderhill Raceway Park Is A Road Racing Course Located 7 Miles (11 Km) West Of Willows, California On Hwy 162. The Course Is A Fast Series Of Twists And Turns With Minor Elevation Changes. Thunderhill Is Owned And Operated By The San Francisco Region Of The SCCA. It Is Host To Many Motorports Events For Cars And Motorcycles. The SCCA Uses Thunderhill For Its Automotive Race Competitions. The Northern California Chapter Of The AFM Runs Several Motorcycle Races There Every Year.

The Standard Road Course At Thunderhill Park Is A 3.0-Mile (4.83-Km), 15 Turn Course, However The Track Is Configurable And Event Organizers Can Configure The Course As They See Fit.

Thunderhill Is The Site Of The Longest Automobile Race In The United States; The 25 Hours Of Thunderhill. The Race Is Held Annually During The First Weekend In December And Is Sanctioned By NASA

Additional Info

On-Board Video


 May 30, 2015 (West) Results
 July 27, 2015 Results
 October 31, 2015 (West) Results
 April 16, 2016 (West) Results
 June 27, 2016 Results
 August 6, 2016 (West) Results
 September 10, 2016 (West) Results
 October 29/30, 2016 (West) Sat/Sun
 February 27, 2017 (5Mile) Results
 May 7, 2017 (West) Results
 June 5, 2017 Results
 Sept 23-24, 2017 (West) D1/D2
 October 21, 2017 (West) Results
 June 30, 2018 (West) Results
 August 27, 2018 (3Mile) Results
 October 22, 2018 (3Mile) Results
May 6th, 2019 (3Mile)
June 29th, 2019 (2Mile)
Aug 26th, 2019 (3Mile)
Oct 21st, 2019 (3Mile)

Event Registration

Registration for the Western States Classic in Sonoma on November 30 is now open.  It will close on Thursday Nov 29 at 11:59pm.

Need Help? See our Step By Step Tutorial.


2019 Schedule

  • Nov 24, '18 - Sonoma Raceway
  • Feb 23-24 - Laguna Seca
  • May 6 - Thunderhill 3m (Mon)
  • June 29 - Thunderhill 2m
  • Aug 26 - Thunderhill 3m (Mon)
  • Oct 21 - Thunderhill 3m (Mon)
  • Nov 30, '19 - Sonoma (2020 R1)