The schedule for Regionals 9 & 10 at Sonoma Raceway, 6-7 July 2019 has been updated on 5th June 2019.
Revised session times, longer sprint races and modified times for all run groups.
The updated schedule can be found here: https://www.sfrscca.org/wp-content/uploads/July-6_7-2019-schedule-Rev-6-5-2019-TS.pdf