Lutherville Timonium Recreation Council
- Promotes a wide range of sports and activities for young and old alike. Find clubs and contacts.
- http://www.ltrc.org/

Baltimore Bicycling Club (BBC)
- Recreational riding and racing club that provides a ride schedule with que sheets, safety and advocacy programs, affiliations and membership information. Numerous levels and speed ranges are provided for weekly rides.
- http://www.baltobikeclub.org/