Trail Running calendar near Spencerville 2025-2026

The 12 Hour Adventure Trail Run, hosted by Athletic Equation, takes place in Prince William Forest Park, Virginia. This annual event challenges participants to cover as much distance as possible within a 12-hour timeframe on a 6.5-mile looped course featuring diverse terrain, including single track..

The Valley View Hard Cider Challenge Half is a running event held 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 points awarded towards various year-long series. Runners receive a..

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 Full Distance 10k is a scenic trail running event held at Locust Shade Park, featuring a course that includes both trail and paved sections. Participants can enjoy a post-race beer from Full Distance Brewing, and walkers are welcome to join. The event offers a virtual race option for those unabl..

The Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge is an annual running event held in Mount Airy, MD, organized by the Frederick Steeplechasers Running Club. The event features three distinct challenges: a 5-mile trail run, a 4-hour challenge, and an 8-hour ultra challenge, allowing pa..

The Wilderness Run 10k is a scenic cross-country trail race taking place at Wilderness Run Vineyard, located in the historic Chancellorsville and Wilderness battlefields. Participants can enjoy a challenging course with hills, and the event also includes a 5k option. Runners receive a finisher's med..

The Delaware Trail Fest is an exciting running event taking place at Lums Pond State Park in Bear, Delaware. This festival celebrates the beauty of Delaware's trails and offers various race options, including a 12 KM trail, a 24 KM trail, a 12-hour Lone Wolf challenge, and a 12-hour 4-person relay...

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 Brooks event shirts, unique finishers awards, and access to well-stocked aid stations. The..

The Halloween Horror 10k is a thrilling running event taking place at Conway Robinson State Forest Park. Participants can enjoy a scenic trail route that features technical terrain and minor hills. The event includes both a 10k and a 5k option, with points contributing to various series standings.Ru..

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 Rosaryville Veterans Day Trail Race is an annual running event held at Rosaryville State Park in Upper Marlboro, Maryland. This race features two distances: a 50K and a 20K, catering to both seasoned ultra-runners and those looking for a shorter challenge. The event honors veterans and promotes..

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 fields, offering participants a unique running experience. The half marathon co..

The MCRRC Stone Mill 50 Mile Run is a premier ultramarathon event taking place in Montgomery Village, Maryland. Scheduled for November 8, 2025, this challenging race attracts runners from various backgrounds, offering a scenic course that showcases the beauty of the local landscape. Participants can..

The Fall Backyard Burn Trail Run at Hemlock Overlook is a scenic trail running event taking place 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 race is designed to be..

The Tuckahoe 25K is an exciting trail running event scheduled for November 22, 2025, in Queen Anne, MD. This race, organized by the Centreville Crushers and Algonquin Ultras Inc., offers a scenic 25K course primarily on single-track and wider horse trails, featuring runnable hills and some rooty sec..

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 event is set in the scenic Spring Valley Park, where participants will navigate through diverse terrains, including meadows, forests, an..

The Fall Backyard Burn at Laurel Hill is a trail running event taking place at the Workhouse Arts Center in Lorton, Virginia. Set within a scenic 1600-acre area, the course features a mix of forested and open meadow singletrack trails, making it accessible for runners of various skill levels. Partic..

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..