I'm thinking about doing Cruisin the Conejo century on May 8th. It has 6,000 feet of climbing, which will be good training for the 8500 I'm doing May 23rd in Heartbreak Hundred (which I did last year, much to my amazement).
I read a ride report that talked about a 3 mile section on Mulhulland that sounds torturous. Anyone have any experience they want to share?