Trail Running calendar near Falmouth 2026-2027

Devil Dog Ultras features 100-mile, 100K, and 50K trail races on a loop course in Prince William Forest Park. With fully stocked aid stations and a unique loyalty challenge, it's an event built for the trail community. Registration for the..

Experience a trail run through Fountainhead Regional Park along the Occoquan Reservoir. Choose between two distinct distances on a course featuring hiking trails and dirt roads while supporting a local non profit.

Experience a scenic out and back half marathon on the flat and smooth Dahlgren Railroad Heritage Trail. Enjoy a unique post race campfire with roasted donuts and earn a custom finisher medal.