Illini Bicycle Racing Club
- The IBRC is the collegiate road and mountain biking team at the University of Illinois, Urbana-Champaign.
- http://www.illinicycling.com/

Blackhawk Bicycle and Ski Club
- Rockford-based shop that provides a listing of activities, events and invitational rides.
- http://www.blackhawkbicycleclub.org/

CAMBR - The Chicago Area Mountain Bikers
- A volunteer group of mtb enthusiasts who care about cycling and protecting the trails.
- http://www.cambr.org/

Quincy Bicycle Club
- A site for like-minded bicyclists, events, photos, newsletter, links, bike parts swap shop and cycling ideas.
- http://qbc.home.insightbb.com/

IllinoisMTB.com
- One stop information source for mountain biking in Illinois. Complete list of trails, events, shops, links, weather, and message board.
- http://illinoismtb.com/

Kickapoo Mountain Bike Club
- Leading the effort to bring mountain bike trails to Kickapoo State Park near Danville. Includes trail map and conditions, race results, club details, and message board.
- http://www.kickapoombc.org

Belleville Area Bicycling and Eating Society (BABES)
- Loosely organized bicycling group that conducts bicycle rides near Belleville, including St. Clair, Madison and Monroe counties of Illinois. Rides, riders, news and notes.
- http://babes.rogerkramercycling.org/

McLean County Wheelers
- Bicycle club in Bloomington. Club information, chat, photos, rides, recumbent corner, and links.
- http://www.mcleancountywheelers.com/

Naperville Bicycle Club
- Rides and events, maps, online newsletter.
- http://www.napervillebikeclub.com/

ChicagoLand Off-road Bicycling Association
- Loosely-organized, internet-based group of mountain bikers from the extended Chicagoland area. Coordinated to share trail experiences and knowledge as well helping support unpaved trails. Includes race and trail condition information as well as area guide
- http://cobamtb.org/

Peoria Bicycle Club
- Group focused on competitive cycling and activities that advance the sport of cycling for both road and off-road cyclists.
- http://www.peoriabicycleclub.com/

Velo Club Roubaix
- VCR is one of the top cycling clubs in the Chicago area. The club has been riding and racing around Illinois since 1981. Club information, rides, schedules, routes, and contacts.
- http://www.vcrbiketeam.org/

Oak Lawn Bike Psychos Cycling Club
- Based in Oak Lawn whose members enjoy all aspects of the sport including touring, off road riding and road racing.
- http://bikepsychos.org

Decatur Bicycle Club
- Ride calendar, events, photo gallery, membership information, guestbook and links.
- http://www.decaturbicycleclub.org/

League of Illinois Bicyclists
- Invitational rides, club lists, tours, maps, lodging, advocacy information, cycling links, funding information, bike law, newsletter archives, and other information of interest to Illinois and Midwest cyclists.
- http://www.bikelib.org/

McHenry County Bicycle Club
- Supporting recreational bicycling and other related events in the McHenry County area. Membership and outing information.
- http://www.mchenrybicycleclub.org/

Bicycle Club of Lake County
- Libertyville-based social bicycle club interested in touring, off road riding, mountain biking, ultra marathon and competitive riding, and cycling advocacy.
- http://www.bikebclc.com/

Ground Hog Cycling
- Midwestern racing team focusing on the development of USCF and NORBA racers. Site offers current team biographies and photos, plus a schedule of racing events.
- http://www.groundhogcycling.com/

Peoria Area Mountain Bike Association
- Off-road MTB trails advocacy group in central Illinois.
- http://www.pambamtb.org/

Beezodogs Place Recumbent Resources
- A website devoted to recumbent bicycles including a ride calendar, resource pages, links and a selection of ride reports with photos.
- http://www.beezodogsplace.com

Fox Valley Bicycle & Ski Club
- Located in the Fox Valley region of northeastern Illinois. Affiliated with the League of American Bicyclists and the League of Illinois Bicyclists.
- http://www.fvbsc.org/

The South Chicago Wheelmen
- News, history, races, roster, and photographs.
- http://www.southchicagowheelmen.com/

Chicagoland Bicycle Federation
- Regional bicycle advocacy for Northeastern Illinois.
- http://www.chibikefed.org/

Folks On Spokes Bicycle Club
- A recreational and advocacy group serving Chicago's Southland and Northwest Indiana. Information on rides, activities, advocacy, mileage chart and links.
- http://www.folksonspokes.com/

Evanston Bicycle Club
- Located in Evanston. Sponsor of the North Shore Century, 3rd Sunday in September, plus hundreds of other rides.
- http://www.evanstonbikeclub.org/

Team Mack Racing Association
- Not-for-profit organization focusing on the sport of bicycle racing. Supports all levels and categories of its racing membership including women, juniors, seniors, and masters divisions. Offers team member profiles, schedule and results, photo gallery, an
- http://www.teammackracing.org/

Quad Cities Bicycle Club
- An affiliate of the League of American Bicyclists and the United States Cycling Federation located in the Quad Cities of Illinois and Iowa. Online newsletter, ride schedule, and membership information.
- http://www.qcbc.org/

Joliet Bicycle Club
- Joliet based biking group. Membership and ride information.
- http://www.jolietbicycleclub.org/

Elmhurst Bicycle Club
- Serving Elmhurst, Glen Ellyn, Lombard and Wheaton areas. Membership information, photos, ride events calendar, newsletter, rider miles and mailing list.
- http://www.elmhurstbicycling.org/

Wheeling Wheelmen Bicycle Club
- Since 1970, the club has served the Northwest Chicagoland area with organized rides, social outings, informative meetings and a lot of friendship
- http://www.wheelmen.com/

Springfield Bicycle Club
- Offering area cyclists ride information, biking links, and message board.
- http://www.spfldcycling.org/