For additional information see:
Lee Pfefferman's California Bike rides OnLine Site. This is the best I have seen and provides losts of detail.
OR - CA Centry List (Saturday Centuries Only. Some dates are extrapolated from previous year.)
SLOBC Century List (site being updated)
Felix's Century List 2002 - Very Nice

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DATE    |            CENTURY/TOUR/CHARITY ROAD RIDES
        |                 NORTHERN CALIFORNIA
        |                   DICK BLAINE
        |                                                                   
        |1998 dates are confirmed from following sources:
        |Fliers, Web Sites, CABO (thru 9/98) & Cycle California (thru 8/98)
        |1996-1997 dates indicate previous years; 1998 date not yet known. 
        |Rides tend to be same day of week and weekend of month
        |  from year to year (but not always).
        |Corrections/additions are welcome.
        |This file is available on the WWW at:
        |   http://pages.prodigy.net/dick_blaine
        |The file is formatted for mono-spaced type of 10 or 12 pitch
        |   and 80 characters.
        |Revised 11/30/98; Last E-mail 6/2/98; Web Page Update 11/30/98
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11/07/98|Solvang Prelude Solvang 25/50/63 MI 562-690-9693
        |http://www.bikescor.com
10/25/98|Tour de Marin Marin 20/31/62 MI 510-223-5778
10/17/98|Earth Quake Country - San Benito County - Hollister Blind Center
        |100/50/20 Mi - 408-636-7700
10/17/98|Foxy's Fall Century 50K/100K/100M Davis 530-756-0186
        |email: dbc-owner@cycling.org
10/13/96|Cheese and Wine Century - 25/62/100 Mi - 209-527-2010 x 205
10/13/96|Ride to Eat Gourmet Century - 46/66 Mi - Marin -  S & T Sports -415-663-5439
10/11/97|Help Kids Breathe - Woodside - 20/45 Mi - Cystic Fibrosis Foundation
        |415-677-0155
10/04/98|Tour of Tehama (Sunshine) 15/30/70/100 Mi Red Bluff
        |530-529-0211 or FAX: 530-529-3929
10/04/97|Pedaling for Pumpkins/Manteca - 33/80 Mi -  Manteca Bicycle Club
        |e-mail:ldbgsprt@mistic.net
10/04/97|Quicksilver Bike Ride 20/32/62/100Mi- Los Gatos  Am Lung Soc 408-998-5864
10/03/98|Coyote Creek Cycling Classic - 12/25/50 Mi - South Valley (SJ) -
        |Boy Scouts - 408-280-5088 X 916 or email: cycling@venture-quest.com
10/03/98|Grizzly Century -No.Fork- 24(1000')/62(5000')/100(10,000') Mi 
        |209-877-2218 (day) or email: dcase@sieranet.net
10/03/98|Big Sur Ride - 2 days - Big Sur & Carmel Valley - 170 Mi -
        |(408)-373-1839 or info@cypressgroup.org
09/27/98|Pedal Round the Puddle/Lakeport - 100M/100K/30M - 707-263-5092
09/27/98|Holstein Century  - West Marin/Tomales - 25/40/65/100 Mi - 415-458-8515
        |Web: http://www.crl.com/~rkovach/holstein
09/26/98|Waves to Wine MS Sonoma 25/50/75/100 Mi 2 days 510-268-0572/800-FIGHT MS
09/26/98|Lighthouse Century - San Luis Obispo 75 & 100 Mi 805-481-2020
09/22/96|El Dorado Century 30/62/100M Sierra Foothills Sacramento Bike Hikers
09/22/96|Charity Ride for Cystic Fibrosis - 25/50/100K - Woodside - 415-225-2097
09/20/98|Clo's Classic Rides  15-80 Mi- Diabetes Society - Sonoma County 707-578-0887
09/20/98|OATBRAN - 7 days - Ride across Nevada - 702-588-9658/800-565-2704
        |email: tgft@sierra.net Website: http://www.virtualtahoe.com/tgftbike
09/20/98|Cherry City Jubilee - Livermore 25M/100K/100M - 510-796-1981
09/19/98|Unkown Coast Weekend - 100 Mi Chico Velo - Ferndale/Honeydew 800-482-2453
        |email: chicovelo@aol.com Web: http://www.chicovelo.com
09/12/98|High Sierra Fall Century - 30/62/100Mi - 760-934-2908; Fax:760-647-6377
        |Email: kay@monolake.org
09/06/98|Hekaton Century - Dublin - 25/63/70/100 Mi - 510-828-5299
        |http://www.valleyspokesmen.org
09/06/98|Tour de Broccoli 20/30/50 MI Salinas 408-675-3503
08/30/98|Tour of Napa Valley 35/65/100 Mi- 707-226-7066 email: ecc@napanet.net
        |http://www.napanet.net/~eccweb/
08/03/98|Tour de Peninsula - Redwood City - 33M - 415-759-2690
        |email: kerrylynnb@aol.com  htp:/www.sfgate.com
08/02/98|Marin Century - 100K/100M - San Rafael - 415-721-4337
        |email: fozzi@aol.com  http://www.marincyclists.com
08/02/97|Pajaro Valley Cent - Santa Cruz Mts - 25-100 MI - 408-423-0829
        |http://www.cruzio.com/~hub/scccc/pvc.htm
08/01/98|Plumas Sierra Century/Portola, CA (530)-832-0470 - 50K/100M/100K
08/01/98|Tour De Le Gume (was Bean Festival Ride) - Tracy Bicycle Club- 4/25/30/65
        |209-832-1375 - email: blitrots@pacbell.net
08/01/98|Santa Cruz Mtn. Challange (Pajaro Valley Century) - 25M/100K/100M
        |SCCCC - 408-423 - 0829
        |http://www.cruzio.co/~hub/scccc/scmc/information.html
07/26/97|Ride for Life - Marin - 12/62/101 Mi - 415-663-5439
07/25/98|Pacifico Century - Carmel to Cambria - 100M - (408)-373-1839
        |Email: info@cypressgroup.org
07/25/98|Climb To Kaiser - Fresno - 155 Mi - 209-299-3079
        |email: cyclist@lightspeed.net  Web Site: http://www.fresnocycling.com
07/25/98|Tour de Jour (MS) Redwood City & South - 30/65/100 Mi
        |510-268-0572/800-FIGHT-MS  email: can@nmss.ort
07/19/98|Giro di San Mateo -PARCA - San Mateo - 30/60/100K/100M - 650/312-0730
07/18/98|Fall River - 25/62/100 mi -  McArthur 530-336-5400
        |email:  billofsail@shasta.com
07/18/98|Healdsburg Harvest Cent 23/37/62 MI/707-433-6935/800-648-9922
07/12/98|Sonoma Valley Wine Festivle & Liberty Ride - 100K - Sonoma Dev. Cntr
        | 707-938-6805
07/11/98|Bastille Day Tour 33K/100K-Redwood City - ALA - 650-994-5864
07/11/98|Markleeville Death Ride 42 & 140 Mi 530-694-2475
        |email: alpcnty@telis.org Web site: http://www.alpinecounty.com
06/28/98|Comstock Silver Century - Carson City, NV -  30/50/100 Mi - 702-588-9658
        |800-565-2704 or tgft@sierra.net
06/27/98|Tour of the Sacramento River Delta (TOSRD) - (Overnight) Valley Spokesmen
        |510-671-7579
06/27/98|Tour de Garlique - 20-200K - Gilroy -  408-842-1625
        |http://www.garlicfest.com (see FUN/SATTELLITE EVENTS/TOUR de GARLIQUE)
06/26/96|Cows, Coast & Cabernet - ALA - 2/5 day, 300/400 mi- 
        |Sonoma/Marin Counties - 510-893-5474
06/21/98|Mile High Century - 35/55/105 Mi - Almanor-Chester - 530-258-2338  
06/20/98|Crossroads of Calif - Manteca 65/100 MI - 209-824-2887/209-825-0204
        |e-mail: ldgbsprt@aol.com  or ldbgsprt@mistic.net(?)
06/20/98|Terrible Two Double Century - Santa Rosa  707-823-9807
        |email: srcc@metro.net 
06/15/96|Easy Racer Recumbents Century   Watsonville  50K - 200K 408-688-2113
06/14/98|Nevada City Classic - 10/30/62 Mi - Nevada City, Nv - 702-588-9658
        |800-565-2704(?) Email: tgft@sierra.net
06/14/97|Great Bike Escape - Crissy Field - Short SF Loop - 415-868-1829
06/13/98|Great American Bike Ride 16/30/45/75 Mi  Pleasant Hill  ALA   510-935-0472
06/13/98|Sonoma Country Wine Ride for AIDS:  50K/100K - Clovedale - 707-544-1215
        | Web Site: http://www.sonoma-aids.org
06/13/98|Sierra Summerfest - Quincy -  30/55/100 MI - 530-283-3490
06/13/98|Sierra to the Sea '98  - 7 Days - ACTC - 408-264-2568 email: s2s@actc.org
06/09/96|Steelhead Centruy Lodi 32/62/100 Mi 209-759-3571 
06/08/96|Tour of the Sacramento River Delta - Valley Spokesmen (510)686-8473
        |not to be held in 1997 email: bilbyke@psnw.com
06/07/97|MS-150 Back to the Beach - Watsonville 1 or 2 days 800-FIGHT MS
06/07/97|Central Calif Recumbent Rally - 40/65/85Mi - Fresno - (209)225-3551
06/07/97|Vines to Pines - MS 150 Bike Tour - 800-655-2705
06/07/98|Sequoia - Western wheelers - Palo Alto - 
        |200K(8300')/100M(6750')/100K(5130')/50K(1300')
        |650-325-9362 email:Sequoia1998@pobox.com 
        |Web Site: http://www.westernwheelers.org
        |Email: Sequoia1998@pobox.com
06/07/98|America's Most Beautiful Bike Ride, Lake Tahoe, 72/94 Mi
        | 702-588-9658/800-565-2704 email: tgft@sierra.net
06/07/98|Tour de Cure - King's Mt/Woodside -25/50/100K - ADA - 408-369-2244
06/06/98|Pete's Birthday ride (Western Wheelers Only)
06/01/97|Alta Vista Century; Los Altos Hills; Century, Half-Century,
        |Fun Rides; (415)569-3112 or http://www.hildy.com/altavista1997/
05/31/98|Calif AIDS Ride - SF to LA - 415-908-0400/800-825-1000
        |http://www.aidsride.org
05/31/97|Tour de Cure - 25/50/100K - Sacramento - ADA - 916-369-0999
05/30/98|Cycle Rally IV - SVBC - Cupertiono - 2  10-mile + 15 mile loops - 
        |408-257-6506 email: anneng@aol.com
05/30/98|Rock & Roll - Sonoma/Marin - 25/62 Mi - ALA - 800-LUNG-USA/707-527-5864
05/22/98|Great Western Bicycle Rally/Paso Robles/4 days/310-838-0843/714-529-5728
        |Web Site: http://www.adventuresports.com/asap/bike/gwbr/welcome.htm

05/18/96|Clean Air Challenge (ALA)  16/28/35 Mi - Pleasant Hill 510-935-0472
05/18/96|Tour de Cure - 15/30/50/100K - Fresno - ADA - 209-298-7103
05/17/98|Strawberry Fields Forever  25M/100K/100M - Aptos - 408-662-3761 or
        |Email:info@strawberryfields.org  Web Site: http://www.strawberry fields.org
05/17/97|Tour de Cure - Escalon - 15/30/60 Mi - ADA - 209-491-2490
05/16/98|Davis Double Century - 200 Mi - Davis - 916-756-0186/916-756-3540
        |email: dbc-owner@cycling.org 
05/10/97|Central Coast Double Century- Paso Robles 805-239-4394
05/10/97|Tour of Diablo Valley - Walnut Creek - 40-100 Mi -  or 510-687-8370
        |510-631-0828 or 510-779-1398
05/10/97|Poppy - Carmel Valley - Cypress Group - 100 Mi - 408-373-1839 or 
        |e-mail:info@cypressgroup.org
05/09/98|Poppy - Carmel Valley - 100M - (408)-373-1839 or info@cypressgroup.org
05/09/98|Sierra Century - 17-100 Mi- Plymouth - 916-688-8020
05/09/98|I Care Classic/So San Jose/20-100 Mi/408-268-8330/408-371-7700
05/09/98|Tour of the Unknown Coast - Ferndale, 10/20/50/100 Mi - 707-725-0204
        |email: tross48141@aol.com - Web: http://www.tucride.org
05/06/95|ISHI 160 - 160 Mi - Chico - 800-482-2453
05/04/97|Tour de Cure - Napa Valley -25/60/100 Mi - ADA - 415-777-4499
05/04/96|Davis Double Prelude Century -100/124Mi - Davis - 916-756-1254
05/03/98|Delta Century - Stockton 30/62/100 Mi- 209-473-3051
        |Web site: http://www.sbclub.org
05/03/98|Shasta Jamboree - 25/63/100 Mi - Shasta - 916-221-4336
05/03/98|Calif Tour North (Imagine Tours) (916)758-8782/888-592-2453 
        |email:imagine@imaginetours.com
05/03/98|Grizzly Peak Century - Moraga - 69/107 Mi - 510-655-4221
        |email: gpc+century@dtor.com - web site: http://www.vix.com/gpc/century
05/03/98|New Tour of Tehama (Sunshine) 40/60/100 Mi Red Bluff C of C 530-527-6220
        |email: chicovelo@aol.com  800-482-2453 Web: http://www.chicovelo.com
05/02/98|Wine Country Century - Santa Rosa - 50-200 Km 707-823-9807
04/26/98|Chico Wildflower - Chico 20-125 mi- no hill option -  800-482-2453
        |email: chicovelo@aol.com Web: http://www.chicovelo.com
04/26/97|Golden Chain Century-25/62/100 Mi -Angels Camp - 209-736-0771
04/25/98|Tour de Cure - Santa Cruz - 25K/50K/100K - ADA - 408-396-2244/2240 -
        |email:can@nmss.ort
04/25/98|Canyon Classic Century - Modesto - 10/25/62/105 Mi - 209-521-1372 X220
04/25/98|Top Hat Classic  MS - 10/25/50/75 Mi - San Ramon - 510-268-0572/800-FIGHT-MS
04/25/98|Mt Hamilton Ascent: 70MI;Challenge- 130 Mi- CABO/Pedalera - 408-354-2944
        |email: dworn1@juno.com
04/20/96|Juhn Muir Bike Adventure: Martinez 10/26/38 Mi - ALA - 510-935-0472
04/19/98|Primavera Century - Newark - 30-113 Mi -  510/888-3787
        |email: mpolakoff@earchlink.net Web: http://home.earthlink.net/~mpolakoff
04/19/97|Sunrise (Steelhead) - Lodi - 50K/100K/100MI - Rotary 
04/19/98|Go Greenbelt 7 days 800-543-GREEN/415-543-4291-email: greenbelt@igc.apc.org
04/18/98|Devil Mt. Double  - Walnut Ck. -74 - 205 MI  18K Ft. Climb - 510-689-3504
04/18/98|Party-Pardee/Sac/ 50/100K - 916-453-1005/916-453-1870 Fax
        |email: pinkdog@bbs.macnexus.org Web: http://www.mother.com/saccycle
04/12/98|Bike Around the Butes - Sutter - Diabetes Society - 18/40/62 mi - 
        |916/674-9112 email: bilbyke@psnw.com
04/05/97|Solvang Double Century - 200 Mi - Solvang - 818-968-2410
04/04/98|Tierra Bella Bike Ride - ACTC - 50-200K - Gilroy - 408-255-7957
        |Web: http://www.actc.org
03/28/98|Cinderella Classic - Dublin - Valley Spokesmen - (Women only) 63 Mi
        |510-828-5299/510-443-7017  Web site: http://www.valleyspokesmen.org
03/28/98|Central Valley Tandem Rally -2 day - Fresno Cycling Club 209-291-0421
        |http://www.fresnocycling.com
03/20/96|John Muir Bike Adv Martinez 10-38 mi (ALA) 510-935-0472/800-378-RIDE
03/15/98|Gourmet Century - Chico 30/60/90 Mi -  800-482-2453
        |email: chicovelo@aol.com Web: http://www.chicovelo.com
03/15/97|Double Shamrock L. Don Pedro - Rim Riders - 28-114 Mi - 209-577-3042
03/14/98|Solvang/Santa Maria Century  50/100 MI - 562/690-9693; 562/690-0614 (fax)
        |Web site: http:/www.bikescor.com
03/08/97|Apple Cider - Sebastopol - 65/100M- No Support - 707-823-9807 or
        |email: srcc@metro.net
03/01/98|Tour of the Unkown Valley (Chico) 65/100 Mi (800)482-2453
        |email: chicovelo@aol.com Web: http://www.chicovelo.com
02/28/98|Death Valley Century 50M/300K - Death Valley - 818-968-2410
02/22/97|Manteca Century 50/70/100 Mi - Unsupt.- Livermore - 510-449-7646
02/15/98|Rice Valley Tandem/30/60/100 Mi /Chico Velo/Gridley 800-482-2453
        |email: chicovelo@aol.com Web: http://www.chicovelo.com
01/25/98|Paskenta Cent/50/75/100 Mi/Unsupt/Chico/Chico Velo/800-482-2453
        |email: chicovelo@aol.com Web: http://www.chicovelo.com
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