Ride: 35-65-69-102-120 Hilly/Mountainous Flexible Leader: Mike Kersten, (916) 671-0972, mikejkersten@yahoo.com Description: There are five routes to choose from: the Half Metric Century (35 miles with 1700 ft. of climbing), the Metric Century (65 miles, 4500 ft.), the Metric Century Challenge (69 miles, 5800 ft.), the Century (102 miles, 7800 ft.), and the Double Metric Century Challenge (122 miles, 9600 ft.). Go to sierracentury.org for more information and registration. Early registration deadline is April 11.