Rosaryville Half Marathon and 10K Trail Run

Rosaryville State Park in Upper Marlboro, MD, offers a versatile endurance sports experience. The trail is suitable for varying skill levels—challenging yet accessible, ideal for early season activities. The scenic route navigates through mixed hardwood forests and fields, featuring smooth, twisty paths that are relatively flat and fast. Participants can expect to traverse perimeter trails, interior trails, and expansive horse trails. The event supports City Kids, and registrants are encouraged to contribute to this charity. The setting and structure create an enticing opportunity for those seeking a rewarding outdoor cardiovascular challenge.