The Spartan Motorcycle Club of Baltimore, Maryland and Washington, DC, Inc. was founded on April 3, 1968 by 15 motorcyclists. It was and remains a club for motorcycle owner/operators only and it continues to take an active role in the leather-levi club scene. 
The club sponsors Marathon, a multi-day bike run; and annually, it's anniversary celebration in April, monthly local rides from April through October, and social events during the winter months, including its holiday party in December. Spartans participate in MSF courses and conduct on-going motorcycle education and safety seminars. The club is proud to number among its members MSF certified instructors, mechanics, and AMA members. The club holds fund raising activities throughout the year. The members meet monthly to conduct all necessary business.

In addition, many current and previous members have been active in the Baltimore - Washington gay community and communities beyond the metro area: