Save The Event For Later GP Twenty20 Belgian Raffle! Baltimore, MD, Sun Sep 21, 2014 Contact Event | Event Website | Google Calendar Start line address: 725 W. 36th St, Baltimore, MD 21211, Baltimore, MD 21211 Presented by Twenty20 Cycling Co. This is a past event. If you wish to see the details for this past event click "Continue" below. If you are looking for a current event, please search the event calendar .