Rosaryville Half Marathon

The Rosaryville Half Marathon and 10K Trail Run is set to take place at Rosaryville State Park in Upper Marlboro, MD, on March 30, 2025. This event features a half marathon and a 10K race, both designed to be beginner-friendly while offering a fun and challenging terrain. The courses wind through beautiful mixed hardwood forests and fields, with the half marathon covering a 13.4-mile route and the 10K spanning 6.4 miles.

Participants can also opt for virtual versions of both races. The event supports the charity City Kids, encouraging donations during registration. Visit the organization's website for the most recent information.