For bicycling events in Maryland and its immediate region, contact the following clubs and organizations.
Annapolis Bicycle Club Antietam Velo Club Artemis Babes on BikesBaltimore Bicycling ClubBikes and BrunchChesapeake Wheelmen Cumberland Valley Cycling ClubDC VeloDelaware Valley Bicycle ClubFrederick PedalersHarford Velo Cycling Club Hopkins Cycling Lancaster Bicycle ClubLehigh Valley VeloMid–Atlantic Off–Road Enthusiasts National Capital Velo ClubOxon Hill Bicycle & Trail Club Pax Velo Racing Club Potomac Pedalers Touring Club (PPTC)Reston Bicycle Club Richmond Area Bicycling Association (RABA) Shore Velocity Squadra Coppi Washington Area Bicyclists in Tandem Society Washington’s Happily Independent Recumbent Lovers (WHIRL)Western Maryland Wheelmen ClubWhite Clay Bicycle Club
Adventure Cycling AssociationBaltimore Metropolitan Council College Park Area Bicycle Coalition East Coast Greenway International Mountain Bicycling Association League of American Bicyclists Mid Atlantic Off Road EnthusiastsMontgomery County Action Group Maryland Association of Mountain Bike Operators (MAMBO) National Center for Bicycling and Walking One Less Car The Bicycle and Trails Advisory GroupWashington Area Bicycle Association (WABA)