Alpine Challenge — See April 2013.
Wine Country Century — May 4, 2013 Four routes through Sonoma County wine country with options for 35 miles, 66 miles, 100 miles, or 130 miles. Limit 2,500; sponsored by Santa Rosa Bicycling Club (registration opens Feb. 1)
Tour de Orange County — May 4-5, 2013 Bikes rides of 100, 55 or 25 miles to raise funds for abused or neglected children. Meets at Vanguard University, Costa Mesa..
Tour of Novato — May 4, 2013 Three bicycle route options — 8, 25 and 62 miles — are available for this fund-raiser for students in the Novato Unified School District. Sign in on Sherman Avenue near City Hall in Novato.
Tour de Cure – Roseville — May 4, 2013 Gold Country Tour de Cure starts at Hewlett Packard. Fund-raiser for American Diabetes Association.
Ride Ataxia NorCal — See June 2013 calendar Options of 15, 30 or 50 miles or a metric century leaving Memorial Stadium in Davis. Benefits the Friedreich’s Ataxia Research Alliance, which is researching a cure for the debilitating, life-shortening neuro-muscular disorder. Outback Steakhouse provides post-ride food.
Grizzly Peak Century — May 5, 2013 A 100-mile ride up Grizzly Peak in eastern suburbs of San Francisco Bay; leaves from Campolindo High School, Moraga; sponsored by Grizzly Peak Cyclists
Tour de Cure – Yountville (Napa Valley) — May 5, 2013 Starts at the Veterans Home of California, featuring several options from 10 to 100 miles. Fund-raiser for American Diabetes Foundation.
US Bicycling Hall of Fame Legends Gran Fondo — May 6, 2012 A fund-raiser for the hall of fame in Davis. Gran Fondo-style ride capped at 1,000 participants.
Tour of Long Beach — May 11, 2013 Ride a 31- or 62-mile option or the 100-mile gran fondo from the Queen Mary to the Hollywood sign and back.
Tour of the Unknown Coast – May 11, 2013 Bicyclists can tour northern California’s remote Humboldt County on routes ranging from 20 miles to 200 miles; metric century and century bike rides offered as well.
Mother Lode Century — May 11, 2013 Three ride options through the foothills of the California gold country: Motherlode – 94 miles (with an optional 6-mile loop); Gold Nugget – 64 miles; and Gold Dust -28 miles. Based in Lotus.
Central Coast Double Century — May 11, 2013 The bike ride leaves Paso Robles and climbs into the Santa Lucia Range and down the Salinas Valley; total 209 miles and 13,000 feet of climbing; part of the Triple Crown; there’s also a 170-mile Central Coast Challenge.
L’Etape du California – May 11, 2013 Bicyclists follow the Amgen Tour of California course of the Escondido-Palomar stage. Benefits Breakaway from Cancer Partnership.
Rockhopper Classic — May 12, 2012 Mountain bike race; one-day licenses available. Hosted in Vacaville by Monticello Cycling.
Gold Country Century — May 12, 2012 The Sierra foothills around the town of Auburn are the setting for 33- and 68-mile bike ride options presented by the Sierra Foothills Cycling Club. Also short family rides.
Sonoma County Backroad Challenge — May 18, 2013 Features three bike ride options on Sonoma County’s pastoral roads — 99, 70 and 35 miles. The loops start and finish at Lagunitas Brewery in Petaluma. Presented by Petaluma Sunrise Rotary.
California Classic Weekend — May 18, 2013 A 10-mile section of the Sierra Freeway (Route 168) is closed to cars for this bike ride that starts in Fresno. Three options of 35, 60 and 100 miles. (All riders must start at 7 a.m.)
Climate Ride California — May 19-23, 2013 A 320-mile ride from Eureka to San Francisco to raise funds for 9 organizations that work toward sustainability, clean energy and climate education, including Rails to Trails and the Bike Coalition. Sponsored by Brita.
Hungry Buzzard Century — May 19, 2012 Cutler Park near Visalia; Hungry Buzzard is 105 miles, Mountain House Metric is 70 and Venice Hills is 40. Presented by Southern Sierra Cyclists club.
San Diego Century Bicycle Tour — See June 1, 2013
Pasadena Marathon — See June calendar.
Great Western Bike Rally — May 24-27, 2013 The rally over Memorial Day weekend in Paso Robles features 25 bicycling routes for rides of 5 to 100 miles. Although most rides are unsupported, there is a supported century and metric century. Also bike swap, vendors, BBQ, etc. Participants to the 47-year-old event can tent camp or RV at the fairgrounds.
Spring Borrego Double Ordeal Ride – May 25, 2013 Slightly more than 200 miles through the desert, beginning in the southern California town of Borrego Springs. Presented by Mountain High Cycling.
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