National Auto Sport Association

Register #2590: Oct 5th - 8th, 2017

Western States Championships

Thunderhill Raceway Park

Configuration: 3 Mile with by-pass CCW

View Event Schedule

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There is a STRICT sound limit of 103dB for this event.

October 5-8, 2017

The National Auto Sport Association (NASA) is pleased to announce that the 2017 NASA Western States Championships presented by Toyo Tires will take place at the challenging Northern California circuit, Thunderhill Raceway Park on October 5-8, 2017. NASA competitors from all over the western half of the country will converge on this competitor favorite situated in Willows, California, to challenge for the top step on the podium to claim a NASA Championship.

CLICK HERE for the entries list.

CLICK HERE for the event information page.

CLICK HERE for this event on Facebook.

Entry Fees


$649 through May 31

$699 through June 30

$799 through Sept 17

$899 After Sept 17

$299 Test/Tune for racers and TTers on Thursday.

$299 race or TT “Supersize” fee for second entry. 

Any Race Entry is eligible to Supersize their entry into TT or a second class. Any TT Entry is only eligible to Supersize to another TT class. 

Time Trial

$449 through Aug 21

$499 through Sep 17

$599 After Sept 17

$299 Test/Tune for racers and TTers on Thursday.

Note: Time Trial drivers will be provided a Test & Tune session on Friday with event entry. 

  • Back for 2017: pay just $249 now to reserve your entry and the balance is not due until September 18 - when you will receive a link to process the balance automatically. This also locks you in at the most discounted rate listed above. All Early Entry Reservation fees are non-refundable and the last day to secure this registration option is June 30. (Please put your class in the "additional comments" area when completing your purchase.)

Crew Passes

Two Crew passes are included with each full entry. Additional Crew passes will be available below, please check back later.


A competitor may withdraw from the event and receive a refund by giving written notice of cancellation via email, no later than September 18th, 2017. The entry fee amount minus a $75 handling fee will be refunded. Championships reservation fee & deferred split entry fees are all non-refundable. There will be no exceptions to this policy. Send cancellation notification to 

Event Info

Race Schedule:

Thursday – Optional Test/Tune
Friday – Practice, Qualifying and Qualifying Races
Saturday – Qualifying Races
Sunday – Championship Races gridded by points from Qualifying Races

TT Schedule:

Thursday – Optional Test/Tune
Friday – One Warmup Session near end of day
Saturday – Competition Sessions
Sunday – Competition Sessions

2017 Racing requirements:

  • 5 points paying races (or competing at three weekends)
  • Up to 2 TT points days count toward the five races
  • Enduro of any length counts as two races
  • Any registered team member planning to compete must complete the qualifications individually

2017 Time Trial requirements:

  • 4 TT points days

Course Configuration Schedule:

3 Mile with by-pass CCW

Track Maps:

Thunderhill Track Map

Visit event information page for all event information. It is updated regularly. 

Registration is closed for this event!