Trail Running calendar near Frederick 2025-2026

Trails 4 Tails is an exciting running event taking place at Codorus State Park in Hanover, PA. Participants can choose from three race options: a 40 Mile Ultra, a 40 Mile Relay, and a 25K+. The course features a scenic 5.72-mile loop that includes single track trails and beautiful shoreline views ar..

The 12 Hour Adventure Trail Run, hosted by Athletic Equation, takes place in Prince William Forest Park, Virginia. This annual event challenges both novice and experienced trail runners with a 6.5-mile looped course featuring diverse terrain, including single track and fire roads, and an elevation g..

The Valley View Hard Cider Challenge Half is a running event taking place at Valley View Farm, featuring challenging courses that combine cross country, trail, and hilly terrain. Participants can choose from a half marathon, 10k, or 5k, with options for both in-person and virtual participation. Runn..

The Brandy Station Battlefield 10k is a scenic running event taking place at the historic Brandy Station Battlefield. Participants can enjoy a combination of cross-country and gravel dirt road courses, featuring slight elevation gains. Runners receive a finisher's medal, a technical event shirt, and..

The Conestoga Trail Run - 10 Tough Miles is a challenging trail race held in Holtwood, Pennsylvania, known for its rugged terrain and scenic views. Celebrated as the oldest trail run in the area, this event features a hilly course with rocky paths and stream crossings, making it suitable for experie..

The Rocky Gap Trail Run features a challenging 25K and 50K race, along with a relay option, set in the scenic Rocky Gap State Park in Flintstone, Maryland. Participants can tackle the course solo or as part of a team, with the 25K covering three loops and the 50K completing each loop twice. The even..

The Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers an exciting opportunity for runners to enjoy a scenic and challenging course. Participants can choose between a 5-mile or 10-mile race, featuring beautiful singletrack trails with minimal pavement and stunning views of the l..

The Patapsco Valley 50K is an annual trail running event held in Patapsco Valley State Park, Baltimore, MD. In 2025, the race will feature both a 50K and a 25K option, with participants receiving high-quality event shirts, unique finishers awards, and access to well-stocked aid stations. Runners can..

The Halloween Horror 10k is a thrilling running event taking place at Conway Robinson State Forest Park. Scheduled for October 26, 2025, participants can enjoy a scenic trail route that features technical terrain and minor hills. The event welcomes both runners and walkers, with a virtual race optio..

The Fire on the Mountain 50K Trail Race is set to take place on November 2, 2025, in Little Orleans, MD, within the scenic Green Ridge State Forest. Participants can choose between two distances: a challenging 50K (approximately 31.95 miles) and a 25K (about 16.3 miles). The race features multiple a..

The Fall Backyard Burn Trail Run at Riverbend Park is a scenic trail running event scheduled for November 2, 2025, in Great Falls, Virginia. Participants can choose between two distances: a 5-mile or a 10-mile course, both featuring beautiful riverside singletrack and moderate elevation changes. The..

The MCRRC Stone Mill 50 Mile Run is a challenging ultramarathon event taking place in Montgomery Village, Maryland. Scheduled for November 8, 2025, this race attracts runners of various skill levels who are eager to test their endurance on a scenic course. Participants can expect well-organized logi..

The Rosaryville Veterans Day Trail Race is an annual running event held at Rosaryville State Park in Upper Marlboro, Maryland. This race features two distance options: a 50K and a 20K, catering to both seasoned ultramarathoners and those looking for a shorter challenge. The event not only promotes p..

The Schaeffer Half Marathon and 10K Trail Run, organized by EX2 Adventures, takes place at the scenic Button Farm in Germantown, MD. This event features a challenging course known for its twisty singletrack and open farm field running, with distances of 6.7 miles for the 10K and 13.3 miles for the h..

The Fall Backyard Burn Trail Run at Hemlock Overlook is a scenic trail running event scheduled for November 16, 2025, in Clifton, Virginia. Participants can choose between two distances: a 5-mile or a 10-mile course, both featuring a mix of forested fire roads, hiking trails, and open fields. The ra..

The Fall Backyard Burn at Laurel Hill is a trail running event set in the scenic 1600-acre grounds of the former Lorton Reformatory in Lorton, Virginia. Participants can choose between a 5-mile or 10-mile course, featuring a mix of forested and open meadow singletrack trails. The race begins and end..

The Hex Hollow Half is a running event taking place in Glen Rock, PA, featuring two race options: a half marathon (13.13 miles) and a shorter 6.66-mile course. The race starts and finishes at Spring Valley Park, offering participants a scenic route through meadows, forests, and challenging terrain, ..

The 21st Annual Catonsville High School XC Turkey Trot is a cherished community event celebrating health and wellness. This year, participants can choose between a 1 Mile Family Fun Run and a 5K race, both of which are chip-timed. The event emphasizes community involvement, as all proceeds support t..

Devil Dog Ultras is an exciting trail running event held in Prince William Forest Park, Virginia, featuring three challenging distances: 100 miles, 100K, and 50K. The course consists of primarily single-track trails with some technical sections, and runners can expect well-stocked aid stations throu..

The Fall Backyard Burn Trail Run at Fountainhead Regional Park offers participants a choice between a 5-mile and a 10-mile race, set against the scenic backdrop of the Occoquan Reservoir in Fairfax Station, VA. Known for its beautiful hiking trails and challenging terrain, this event has been a favo..