Purisima to Half Moon Bay & Back Annual ROMP Halloween Costume Mountain Bike Ride Saturday, October 29, 2011 9:30am Start 9:30am Advanced Intermediate Ride Starts at the Purisima Parking Lot on Skyline Blvd just north of Kings Mtn Road. to ride down to Half Moon Bay via Purisima OSP. Back up via Purisima OSP – …