Speed SF - 12/14-12/15 Endurance Race

Endurance Race @ Thunderhill Raceway East

12/14-12/15 (Sat-Sun) Thunderhill East Bypass 

After the success of our endurance race on Labor Day, and while we are still finalizing our 2025 dates, we are considering another race by the end of 2024. The proposed date is December 14th-15th (Saturday-Sunday) at Thunderhill East track, featuring a 2.5 hour race.

• Schedule & Logistics Email
• $550 / team
• The race format, regulations, and pricing are the same as our previous event. You can find more details on our blog at the following link: Rules / Blog
• Feel free to let us know if you have any questions by emailing us at info@speedsf.com

Rules:

• Tires: Any tires
• No minimum driver requirement 
• Vehicles must comply with SCCA, NASA, Lucky Dog, PCA, WRL, wheel-to-wheel racing rules

Classification:

• Three classes: Group A / B /C
• Classes will be determined by Sunday's qualifying time. We will class your car based on our experience and the vehicle's performance at the current race. 
• Group A - Fastest 
• Group B - Mid
• Group C - Slowest

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.