Save This Event For Later Wilmington Grand Prix Wilmington, DE, Sat May 20, 2017 Contact Event | Event Website | Google Calendar Start line address: 818 N. Market Street, Wilmington, DE 19801 Presented by Event Allies/Wilmington Grand Prix USA Cycling Permit # 2017-1369 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 .