Mcrrc Seneca Creek Greenway Trail Marathon & 50k

Experience the thrill of the Seneca Creek Greenway Trail Marathon & 50K on March 7, 2026, in Gaithersburg, Montgomery County. This event offers runners of all levels the chance to conquer the scenic single-track trails of Montgomery County. Choose between the challenging marathon or the ultra-distance 50K and test your limits in the beauty of nature. Join a vibrant community of trail enthusiasts, enjoy breathtaking landscapes, and earn a custom race bib, a tech shirt, and a finisher's medal. Don't miss this unforgettable opportunity to embrace the outdoors and push yourself to new heights!