Event #4984: Jun 21st - 22nd, 2025

IMPORTANT: Mandatory morning driver's meetings! Please check schedule for locations. Spectators allowed. Passengers allowed (must be at least 18 years old) and must sign in at registration to get a wrist band to participate.

EVENT SCHEDULE and paddock map - coming soon!

HPDE GENERAL NOTICE:

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 contact us: https://nasanorcal.com/contact-us/.

HPDE / TT Groupings for this event:

Saturday:

• HPDE Intro (Toyota GR Drivers)
• HPDE 1 & 2
• HPDE 3
• HPDE 4
• TT

Sunday:

• HPDE Intro (Toyota GR Drivers)
• HPDE 1 & 2
• HPDE 3
• HPDE 4
• TT

HPDE Intro and HPDE 1 - Look for a welcome email about 10 days ahead of time with important event info!

HPDE 1 NOTICE:

There will be at least four 20-minute sessions. Do not choose "instructor" below. One will be assigned to you automatically and you will receive your instructor pairing about 10 days ahead of the event by email.

HPDE 2 NOTICE:

There will be at least four 20-minute sessions. HPDE 2 is for drivers that have been signed off to drive solo. For questions about eligibility, email norcal@drivenasa.com or check out this page: https://nasanorcal.com/hpde-get-started/.

HPDE 3 NOTICE:

There will be at least four 20-minute sessions. For questions about eligibility, email norcal@drivenasa.com or check out this page: https://nasanorcal.com/hpde-get-started/.

HPDE3 is a two-day progressive skills event. Sunday-only entrants MUST have completed a prior Sunday HPDE3 event with NASA to be eligible, or have sufficient track driving experience.

HPDE 4 NOTICE:

There will be at least four 20-minute sessions. For questions about eligibility, email norcal@drivenasa.com or check out this page: https://nasanorcal.com/hpde-get-started/.

RACERS:

All regular NASA race groups: AI, AIX, ST, SU, NP01, SM, SE30, SE46, 944 Spec, Spec-Z, Legends, Thunder Roadsters.

LATE REGISTRATION FEE: Online registration closes Tuesday at 11:59 PM week of the event. After that, all registrations must be done at the track. (Race groups pay a $100 late fee for registering after online registration closes.)

License: Your competition license is good for ONE season. Purchase your season license online in your member account. Apply for a new NASA license here: https://form.jotform.com/drivenasa/license-application.

Medicals: If your medical is expired, you're NOT eligible to race! Use this link to renew your medical info: https://form.jotform.com/drivenasa/nasa-medical-application.

SUPERSIZE NOTES:

Group A - Spec Miata / Spec E30 drivers may Supersize to ST.

SOUND LIMIT:

There is a STRICT sound limit of 103 dB 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!). Prepare to adjust your muffling system if necessary. This standard has been in place for years.

GENERAL DISCLAIMERS:

Please review the Acceptance Package for more info: https://nasanorcal.com/wp-content/uploads/2021/03/Acceptance-Package.pdf

There is a $10 fee per person per event at the gate (Keep your stub for the weekend).

No on-site helmet rentals at Sonoma Raceway. To rent a helmet in advance, contact Ken at I/O Port, https://www.ioportracing.com/helmet-rental/.

Schedules and paddock maps will not be available until the week of the event.

Your car must be teched before going on track (all HPDE, TT, and racers).

REFUND POLICY:

HPDE - Full refund less $30.00 processing fee or account credit, with at least one week notice prior to the event.

Race Groups: Full refund less a $30 processing fee or account credit, provided that you registered at least 12 days in advance and you notify your NASA region within five 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.

Online Reg Closes Tue June 17 @ 11:59 PM!