The infamous Piuma Hillclimb goes off at 9AM followed by the annual club picnic at noon at Rustic Canyon Park:

https://www.google.com/maps/place/Rustic+Canyon+Recreational+Park/@34.0381716,-118.5162994,16z/data=!4m12!1m6!3m5!1s0x80c2a49ea3ec6093:0xb8578a990b68733e!2sRustic+Canyon+Recreational+Park!8m2!3d34.0385107!4d-118.5147901!3m4!1s0x80c2a49ea3ec6093:0xb8578a990b68733e!8m2!3d34.0385107!4d-118.5147901