Western States Bicycle Ride Calendar
http://www.bbcnet.com/RideCalendar/RideListDate.asp

Bike Link, Bicycling Event Guide
http://www.bikelink.com/default.asp

Pedaling.com, Self Guided Road Bike Routes and Mountain Bike Trails including Maps
http://www.pedaling.com

BikeCal, Bicycle rides in California
http://www.bikecal.com/index.asp