Trail Running calendar near Hillsboro 2025-2026

The Dash Through the Dirt Half is a scenic running event held at Carderock Recreation Area along the Chesapeake & Ohio Canal Towpath in Potomac, Maryland. Featuring a half marathon, 10k, and 5k, the courses are fast, flat, and run on a light gravel dirt trail, ideal for personal records. Each route..

The One Family Brewing 5k is a scenic cross-country race held at One Family Brewing in Lovettsville, Virginia. The 5k course consists of three laps around the brewery's perimeter fields, offering a fairly flat but natural terrain. Participants receive a glass of beer, a finisher’s medal, a technical..

The Old Dominion 100 Mile Endurance Run is a challenging ultramarathon held in Fort Valley, Virginia, featuring a measured loop course through the Massanutten Mountains and Shenandoah River Valley. The race covers 100 miles with 14 significant climbs totaling 14,000 feet of elevation gain. Participa..

The Half Ass 25k & 10k is a challenging trail running event held in Newville, Pennsylvania, at 1599 Doubling Gap Road. The race offers two distances: a 10k with over 2,000 feet of elevation gain, and a more demanding 25k featuring over 4,000 feet of vertical gain, including iconic park highlights li..

The Awesum Possum Lake Trail Adventure, held in memory of Steve Fealtman, is a running and walking event taking place at Opossum Lake Park in Carlisle, PA. Participants can choose from a 6-mile obstacle course, a 4-mile run, or a 4-mile walk, all set against the scenic backdrop of the lake and its s..

The Crooked Run Valley 10k, held at Sky Meadows in Delaplane, Virginia, is a challenging trail race featuring a scenic 5k loop with roots, rocks, and a gravel hill, with the 10k consisting of two laps of this course. The event welcomes runners and walkers, offering chip timing, finisher medals, and..

The OSS/CIA 50 Mile Night Run is a challenging ultramarathon held in Prince William Forest Park, Triangle, Virginia, a historic site once used to train OSS spies during World War II. The event features a 50-mile race consisting of two laps on a 25+ mile loop primarily on single-track trails, fire ro..

The Juneteenth Menare Foundation 12k and 6k is a trail running event held at Button Farm in Germantown, Maryland, celebrating Juneteenth. The race features a challenging, hilly, and scenic course that loops through the Schaeffer Farm Trails, with the 6k consisting of one lap and the 12k two laps. Wa..

The Blue Crab Bolt Trail Run at Seneca Creek State Park in Gaithersburg, Maryland, is the opening event of the annual Blue Crab Bolt Trail Running Series. This trail race offers 5K (3.3 miles) and 10K (6.4 miles) distances featuring scenic single-track trails, lake views, and streams within a natura..

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 Cacapon 12 Hour Challenge is a trail running event held in Berkeley Springs, West Virginia, featuring a scenic, moderately to very technical five-mile single-track loop. The course includes about 750 feet of elevation change per loop, with some stream and road crossings on lightly-traveled park..

On The Rocks Trail Runs is a challenging trail running event held at Rocky Ridge County Park in York, Pennsylvania. The race features multiple distances: 50K, 33.3K, 16.7K, and 10K, all set on a course characterized by rolling hills, rocky terrain, dirt paths, and tree roots. Each loop includes appr..

The Sweet Air Trail Race, organized by the Baltimore Road Runners Club, is a challenging 7 to 8-mile trail run held at Gunpowder State Park in Sweet Air, Maryland. The course features a mix of rolling hills, fast sections, water crossings, and occasional mud, providing a varied and adventurous runni..

The Leopold’s Preserve 10k is a trail running event held at Leopold’s Preserve in Broad Run, Virginia. Participants can enjoy a mostly flat dirt course with some roots, featuring scenic views of a diverse habitat and wildlife. The race is chip-timed and includes a finisher’s medal and technical even..

The Endless Summer 6-Hour Run, held annually at Greenbury Point Nature Center in Annapolis, MD, is a timed endurance event featuring solo and relay (3-person teams) categories. Participants run a 2.5-mile loop course that includes a scenic stretch onto Possum Point, offering views of the Chesapeake..

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 (about 6.7 miles). The course offers a flowy, fast, and fun experience on well-maintained trails with twisty single-track sections, stream crossings, log ramps, some hills, an..

The Blue Crab Bolt Trail Run at Little Bennett is a scenic trail running event held in Little Bennett Regional Park, Montgomery County, Maryland, about 30 miles west of Washington, D.C. The park offers a 3600-acre wooded area with over 20 miles of trails, streams, and camping facilities. The race fe..

The DHRT 50K is an exciting trail running event set in King George, Virginia, taking place on August 2, 2025. This challenging race traverses the scenic Dahlgren Railroad Heritage Trail, offering participants a flat and well-maintained course primarily shaded by trees. Runners will face the added ch..

The 3H Trail Half Marathon in King George, Virginia, is a scenic, flat, and fast out-and-back race held entirely on the Dahlgren Railroad Heritage Trail, a converted railroad bed featuring dirt, gravel, grass, and pine needle surfaces. The course offers nearly 100% shade from surrounding trees, prov..