CKRC alum Alex Berg shared some tips that are definitely worth reading. Have a look at his post. (https://www.allenbergracingschools.com/expert-advice/10-tips-to-become-pro-racing-driver)
Supplemental regulations and running order for race 1 and 10 – August 10 & 11 – are now available. Event Supplementary Regs Race 1 and
Supplemental Regulations and Running Order for race 13 — Sept 23, 2018 — are available. Visit the Competitor Info -> Downloads page for the details.