Schaeffer Half Marathon and 10K Trail Run

The Blue Crab Bolt Trail Run at Seneca Creek State Park in Gaithersburg, MD, is the opening race of the 15th annual Blue Crab Bolt Trail Running Series. Scheduled for June 21, 2025, it offers 5K (3.3 miles) and 10K (6.4 miles) trail races featuring scenic singletrack trails, lake views, and streams..

The Catoctin 50k Trail Run & Half Cat is a challenging ultramarathon held in Frederick, Maryland, within Cunningham Falls and Gambrill State Parks. The 50k course is an out-and-back route on rocky, demanding trails marked by light blue blazes, featuring significant elevation changes and multiple str..

The 868 Estate Vineyards 10k and 5k is a scenic cross-country race held at 868 Estate Vineyards. Participants can choose between a 5k or 10k course around the vineyard property, featuring hills and beautiful views. The event includes a finisher medal, technical event shirt, and a glass of wine.Point..

The Blue Crab Bolt Trail Run at Schaeffer Farms in Germantown, MD, is a trail running event featuring 5K and 10K distances. Held at the scenic Button Farm Living History Center, the course offers a mix of flowy, fast, and fun trails with twisty single-track paths, stream crossings, log ramps, some h..

The Blue Crab Bolt Trail Run at Little Bennett Regional Park in Clarksburg, MD, offers a scenic and challenging trail running experience on August 2, 2025. Set in a 3,600-acre park with over 20 miles of trails, the event features 5K (3.7 miles) and 10K (6.2 miles) races along twisty single-track hik..

The MD Heat Trail Race, held in Elkridge, Maryland at the Patapsco Pickall Area, offers challenging trail running distances of 25K and 50K. The course features rolling single-track trails with over 2,000 feet of elevation gain, including technical rocky sections, two river crossings, and a short pav..