General Rules

All competitors must have timing through SpeedSF Track Events

  • All Miatas must have an approved 4-point roll bar installed prior to getting on the racetrack
  • All convertible cars are required to have roll over protection. Factory OEM Roll Protection may be allowed, please contact SpeedSF staff prior running a convertible car
  • Use of Nitrous Oxide is prohibited
  • Cooling and brake related mods are allowed in all classes
  • No point added if mod is not listed
  • Rules subject to change without notice
  • If there are any protests against another driver, they should be made 1 hr. prior to ceremony
  • Season Podium requires participating in 4+ challenges
  • Beginners are not allowed, 10+ track days experience required


2018 Speed SF Challenge Schedule.

*The lowest points days, maximum of four days, will be discarded* 15 days total.

1/28 (SUN) - WeatherTech Raceway Laguna Seca

2/25 (SUN) - Thunderhill 3 miles

3/18 (SUN) - Thunderhill 2 miles

4/29 (SUN) - Thunderhill 2 miles

5/26 (SAT) - Sonoma Raceway

6/17 (SUN) - WeatherTech Raceway Laguna Seca

7/8 (SUN) - Sonoma Raceway

8/12 (SUN) - WeatherTech Raceway Laguna Seca

8/20 (MON)- Sonoma Raceway

9/2 (SUN) - WeatherTech Raceway Laguna Seca

9/23 (SUN) - Thunderhill 2miles

10/7 (SUN) - Thunderhill 2 miles

10/28 (SUN) - Buttonwillow CW13

11/23 (FRI)- Buttonwillow CW 13

12/16 (SUN) - Thunderhill 3 miles


*** If your vehicle is not listed, please contact us. We will assign the vehicle base points to you according to our system ***