After a review of CSX and SSC at ProSolos, the PSI Committee met and determined that an adjustment in the CSX and SSC ProSolo Index was necessary. Effective 03/28/2025, and applied to the Las Vegas ProSolo2 , the new CSX PSI will be .809 and the new SSC PSI will be .803. The 2025 ProSolo Class and PSI Updates Summary will be updated and posted on the Solo Rules page
Motorsports
Trackside
Join the crew with the best seat in the house.
RoadRally
A navigation challenge on public roads — no helmet required.
Autocross
Fast, fun competition with almost any street car.
RallyCross
Like autocross… but on dirt.
Track Days
Experience a road course at your own pace, in your own car.
Time Trials
Chase your best lap in your own car.
HillClimb
Standing starts and flying finishes, held on closed public roads.
Road Racing
Door-to-door racing at legendary tracks.
About the Club
Our Story
Who we are and what drives us.
Leadership + Governance
Meet the people shaping the future of SCCA.
Awards + Recognition
Celebrating the people who shape our Club.
The SCCA Family
These entities complete the SCCA portfolio: Enterprises, Foundation, and Pro Racing.
Our Partners
Meet the companies helping power grassroots motorsports.
Contact
We’re here to help you get connected.