UMBC Cycling - Men and women students riding for the University of Maryland Baltimore County can find an events calendar, results, and sponsor links. Member of ACCC Division II cycling conference. - http://sta.umbc.edu/orgs/cycling/main.php
Chesapeake Wheelmen - Bicycle racing club based in Baltimore. Features include race calendar and results, rider profiles, events, news, training rides and races, and contact details. - http://wheelmen.virtualave.net/
Patuxent Velo - Bicycling racing team in southern Maryland. Offers training articles, ride and race calendar, results, team profile, and contact details. - http://www.paxvelo.com/
Maryland Association of Mountain Bike Operators (MAMBO) - The information hub of Maryland and Mid-Atlantic mountain bicyclists regarding trail access and maintenance related issues. Features places to ride in the region, trail maintenance schedule, and membership information. IMBA Member Club. - http://www.mambomaryland.com/
Artemis Racing - Dedicated to promoting and supporting women in bicycle racing on the road and track. Artemis also embraces the development of Junior riders and men in the sport. - http://www.artemisracing.org/
Squadra Coppi - Bicycle racing club for men and women; features include rider lists, racing schedule and results. - http://www.squadracoppi.com/
Oxon Hill Bicycle and Trail Club - Southern Maryland-based group that supports recreational riders and bicycling as a means of transportation. - http://ohbike.org/
Baltimore Bicycling Club - Provides ride schedule with que sheets, safety and advocacy programs, affiliations and membership information. - http://www.baltobikeclub.org/