About this event
2.5 hours Endurance Race - Round 4
12/5 - 12/6 (Sat - Sun) Thunderhill Raceway 3 miles east
re-register today for just $1 to reserve your spot and lock in our special early bird pricing!
What's Included?
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1 Practice Session (Saturday)
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1 Qualifying Session (Saturday)
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2.5-Hour Endurance Race (Sunday)
Registration Pricing
| Registration Period | Race Entry Fee |
|---|---|
| Early Bird – Before 10/28 | $250 – SUPER DEAL! |
| 10/29 – 11/07 | $350 |
| 11/08 and later | $450 |
Additional Practice Sessions: $150 per day. (Open Track)
How Pre-Registration Works
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Pay just $1 today to pre-register.
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Lock in your discounted race entry price based on your registration date.
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You will NOT be charged the full race entry fee until the event is officially confirmed.
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Cancel before 11/13 for a full refund.
Help Us Make This Race Happen!
We need a minimum of 15 drivers to confirm this event.
The more drivers who sign up early, the better our chances of making this race a reality!
Register early, invite your racing friends, and help spread the word!
🏁 Don't miss the $250 Early Bird Deal – Register before October 28!
Rules:
- Tires: Any tires
- No minimum driver requirement
- Vehicles must comply with SCCA, NASA, Lucky Dog, PCA, WRL, wheel-to-wheel racing rules
- The race format, regulations, and pricing remain identical to those of our previous event. You can find more details on our blog at the following link: https://www.speedsf.com/endurance-series
- Feel free to let us know if you have any questions by emailing us at info@speedsf.com
Classification:
- Three classes: Group A / B /C
- Classes will be determined by Saturday's qualifying time. We will classify your car based on our experience and the vehicle's performance at the current race.
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Group A - Target lap time: 1:54 - 1:59* (Thunderhill Raceway 3 miles)
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Example: M3, Corvette, Cayman, etc
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Group B - Target lap time: 2'00 - 2'05*
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Example: 350z, S2000, Spec E46, Mustang, Boxster, etc
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Group C - Target lap time: 2'06+*
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Example: Miata, E30, IS300, 944, E36 325i/328i, etc
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- *Actual Classing will be determined by historical data and the build reports supplied by teams after the qualifying session
Pit stops:
- 1 Minimum pit stop required.
- Pit stops will only be performed at the hot pit with a 5-minute required pit time. (In and out of the paddock/hot pit)
- Refuel must be performed in the hot pit.
- Tire change is allowed after refueling.
- A timer will be placed on every vehicle during the pit stop.
Race pace:
- We will set a delta lap time after the qualifying session. The delta is -1 sec. If your vehicle goes faster than our pre-set lap time by 1 sec of your class, a penalty (Black flag) will be issued.
- The first black flag will be a drive-through warning letting you know you have exceeded the time. The second black flag will be a two- (2) minute hold. The third black flag will be a five- (5) minute hold. The fourth black flag will result in a disqualification for that race, and the vehicle will be removed from competition for the rest of the day.
Event requirements
Requirements:
- No minimum driver requirement for this race.
- 18+ years old with a valid US or International driver's license
- Minor (16+) requires approval.
- NASA SCCA race licenses are required. Lucky Dog or other racing series are allowed with demonstrated/documented racing experience.
- My laps / AMB transponder is required. Rental is available.
- Vehicles must comply with SCCA, NASA, Lucky Dog, PCA, WRL, wheel-to-wheel racing rules
Entries (2)
Venue
