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Welcome to SpeedSF Track Events

Speed SF leaders have been hosting High Performance Driving Events for over a decade all over California. Our staff is friendly and includes experienced track instructors, drivers and current race professionals. We limit the driver entries in each run group to minimize traffic resulting in more quality track time. Please come check us out, and invite a friend. Thank you for your support. Our events usually located at Thunderhill Raceway Park, Sonoma Raceway (Sears Point), Mazda Raceway Laguna Seca, Buttonwillow Racway.

Black Friday Buttonwillow

Nov 28 (Fri) Our Annual Black Friday Event with Bob’s Donuts. With the new repaved track surface, how fast can you go? Registration

Dec 14 (Sun) Thunderhill Raceway

Thunderhill 3 miles! Final Event of the year. HPDE plus our final time attack and ceremony. Early Bird Discount now, limited spots only! Registration

Past Events Photos

Did you know we have a photographer taking photos for you at the track? This is one of the benefits of attending our events. Find yourself and download from here: Bill Wang Photography

Speed SF Challenge

We utilizes our own classification system at our Speed SF Challenge and Roadster Cup events and gives our registered drivers the opportunity to compete for top lap times against similarly prepared cars for awards, prizes and recongnition Read more

2015 Schedule

MRLS = Mazda Raceway Laguna Seca

Sunday, January 4th MRLS (90db)
Sunday, January 25th MRLS (90db)
Monday, March 2nd Sonoma (103db)
Sat, March 14th buttonwillow (unlimited)
Sunday, April 5th (Easter) MRLS (90db)
Saturday, May 23th Sonoma (103db)
Monday, May 25th (Memorial Day)MRLS (90db)
Thursday, July 30th MRLS (90db)
Friday Sep 25 MRLS (92db)
Monday Oct 5 Sonoma (103db)
Friday Nov 27 Buttonwillow (unlimited)

Maxxis RC1 Review

Maxxis RC1 is a new DOT approved R-compound tire designed for track days and boasts marked improvements over what is currently available on the market for track day enthusiasts. Please visit our sponsor’s site, for more details.

Prima Racing’s RC1 Review
Scott Smith’s RC1 Review

Mazda Speed Parts Program

How does 20%-50% off Mazda OEM Parts and new car purchase discount sounds?
Join our SpeedSF Time Trail Program (Only available for Mazda Drivers) –
Read more!

Head Instructor

Congratulation to our head instructor Andrie Hartanto for his first SCCA National Championship! Read more of his stories here!

  • Next Events
  • Past Events
  • Competitions
  • Questions?
Download: Waiver FormTech Form , Passenger Waiver

Nov 28 Black Friday – Buttonwillow - Open

  • Schedule
  • $175 / Driver 
  • $75 Thunderhill Combo when register together, apply at check out.

Dec 14  Sun – Thunderhill East 3 miles

  • $150 / Driver with $25 off Early Bird Discount.


Past 2014 Events:

Nov 1, 14 Mazda Raceway Laguna Seca: Photos  , WinnersTiming Files

Oct 12, 14 Thunderhill West: WinnersTiming Files

09/06&07 /14 Sonoma Raceway:  Photos  , WinnersTiming Files

07/25/14 Mazda Raceway Laguna Seca: Photos , WinnersTiming Files

07/05&06 /2014 Thunderhill 5 miles: Photos , WinnersTiming Files

06/06/2014 - Thunderhill: Photos , Winners, Timing Files

03/15-16/2014  – Buttonwillow:  Winners, Photos by Bill Wang

02/01/2014        – Thunderhill:   Winners , Photos by Bill Wang


Past 2013 Events:   

12/15/2013 - Thunderhill  (Time attack Season Final)   Photos

11/29/2013 - Buttonwillow (Black Friday w/Evasive Motorsports)   Photos

09/14/2013 - Mazda Raceway Laguna Seca   Photos

06/28/2013 - Thunderhill   Photos

04/08/2013 - Sonoma Raceway   Photos

02/03/2013 - Mazda Raceway Laguna Seca   Photos




2014 Time Trail:

Speed SF Challenge Details & Rules  (All Vehicles) 

Speed SF Challenge Classes Calculator

Roadster Cup 2014 (Miata & S2000 Only)

* We have merged our BMW Cup into the Speed SF Challenge Series *

**All Miata and S2000s are able to compete in both Speed Challenge and Roadster Cup without extra admission fee **

Congratulation to our season winners:

2013 Roadster Cup Season Points

Miata Street Class Champion: King Tang
Miata Mod Class Champion: Joe Chang
S2000 Street Class Champion: Mac Raslen
S2000 Mod Class Champion: Martin Riente

2013 BMW Cup Season Points

Group A Champion: Daniel Avon
Group B Champion: Vincent Chiang
Group C Champion: Alejandro Rios