National Auto Sport Association

Register #2527: Oct 28th - 29th, 2017

October 28-29, 2017 Sonoma

Sonoma Raceway

Configuration: Road Course
Direction: CW

View Event Schedule

                                                               Thumb norcal logo dodger no flag

 We will be joined by PRC and the folks from Historic Stockcar Racing Series HSCRS. Redwood Region PCA and, a 3.5 Hr Enduro On Saturday Afternoon.

HPDE 4 and TT will only run on Sunday.


If you do not see the HPDE Group that you want, it means that it's full.  If you are unsure of which HPDE level to choose, please use this handy tool: HPDE Survey

HPDE / TT Groupings for this event:


- HPDE 4 (5 sessions) Sunday only
- TT (5 sessions) Sunday only


There will be at least four 20-minute sessions. Please see the prerequisite page to make sure you are eligible.



All regular NASA race groups: AI, AIX, CMC, FFC, GTS, PRC, PT, ST, HC, NP01, SM, SI, ST, STR, SU, SpecE30, SpecZ, Spec-944 (register under PRC), Pro, Semi-Pro, Thunder Roadster.


Spec Miata drivers may Supersize to PT

Spec E30 drivers may Supersize to GTS



There is a STRICT sound limit of 101 dBA measured 50’ from the line on driver’s right, apex of T12.  Attempts to fool the meter or lift will easily be detected by the track’s dedicated sound person (they hate that!).  So, please prepare to adjust your muffling system if necessary.  This is the same standard that has been in place for years.



HPDE/School/Open Track: Full refund less $30.00 processing fee, with at least 1 week notice prior to the event, otherwise no refunds or credits. No exceptions.

Race Groups: Fees are fully refundable, less a $30 processing fee, provided that you registered at least 12 days in advance and you notify your NASA region within 5 days following the missed event. No partial refunds allowed. This policy does not apply to special events. Once the car hits the track all fees are non refundable.



Registration is closed for this event!