Trail Running calendar near Triangle 2025-2026

The Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers runners a scenic and engaging trail experience with distances of 5.1 miles (one lap) or 10 miles (two laps). The course features mostly smooth singletrack with some short technical sections involving rocks and roots, minimal..

The Patapsco Valley 50K is an annual trail running event held at Patapsco Valley State Park near Baltimore, Maryland, with race headquarters at CCBC-Catonsville. The event features two main distances: a 50K and a 25K, both available as in-person or virtual races. Runners enjoy a scenic, historic, an..

The Halloween Horror 10k is a trail running event held at Conway Robinson State Forest in Gainesville, Virginia. The course features a loop through forest trails with some technical terrain and minor hills, with the 10k consisting of two laps of the 5k route. The event welcomes both runners and walk..

The Fall Backyard Burn Trail Run at Riverbend Park in Great Falls, VA, is a scenic trail running event held on November 2, 2025. Participants can choose between 5-mile (one lap) and 10-mile (two laps) courses featuring beautiful riverside singletrack trails with a few short hills and stunning views..

The MCRRC Stone Mill 50 Mile Run is a challenging trail ultramarathon held in Montgomery Village, Maryland. The 50-mile course features scenic forested and rolling terrain along the Seneca Greenway and Muddy Branch trails, primarily on single-track dirt paths with some small stream crossings. While..

The Schaeffer Half Marathon and 10K Trail Run, hosted by EX2 Adventures, takes place at the scenic Button Farm in Germantown, Maryland. This event features two distances: a 13.3-mile half marathon and a 6.7-mile 10K+, both offering challenging courses with twisty singletrack trails and wide-open far..

The Rosaryville Veterans Day Trail Race, hosted by Annapolis Striders, is an annual trail running event held at Rosaryville State Park in Upper Marlboro, Maryland. The 16th edition in 2025 features two distances: a 50K and a 20K race. Both courses wind through scenic wooded trails and meadows, prima..

The Fall Backyard Burn Trail Run at Hemlock Overlook in Clifton, VA, is a scenic trail running event featuring 5-mile and 10-mile race options. Set in a 425-acre park along the historic Bull Run, the course offers a mix of hiking trails, old dirt roads, stream crossings, grassy fields, and minimal p..

The Tuckahoe 25K is a trail running event held in Queen Anne, Maryland, offering a 25-kilometer (15.5 miles) course primarily on single-track and horse trails. The race features runnable hills, some rooty and potentially muddy sections, making it suitable for both first-time trail runners and those..

The Fall Backyard Burn at Laurel Hill is a trail running event held at the Workhouse Arts Center in Lorton, VA, set within 1,600 acres of scenic former prison grounds. The course features a mix of forested and open meadow singletrack trails, primarily dirt and crushed stone, with minimal pavement an..

The Winery at Bull Run Turkey Trot is a scenic trail run held at the Manassas National Battlefield, featuring 5k and 10k options. Participants enjoy running through historic Civil War sites on dirt trails, cross-country paths, and gravel terrain, with some hills along the course. The event benefits..

The 21st Annual Catonsville High School XC Turkey Trot is a cherished community event celebrating health and wellness. Scheduled for November 27, 2025, this event features a 1 Mile Family Fun Run and a 5K race, both of which are chip-timed. Participants can enjoy a family-friendly atmosphere while s..

The Lake Anna Turkey Trot Half is a scenic and challenging race held at Lake Anna State Park, featuring a half marathon, 10k, and 5k courses. The half marathon is an out-and-back trail race with a 3-hour and 15-minute time limit, while the 10k and 5k courses combine trail and paved roads. Participan..

Devil Dog Ultras is a challenging trail running event held in Prince William Forest Park near Triangle, Virginia. It offers three race distances: 100 miles, 100K, and 50K, all run on a loop course featuring primarily single-track trails with some roots, rocks, and rolling hills but no major climbs...

The Fall Backyard Burn Trail Run at Fountainhead Regional Park in Fairfax Station, VA, is a popular trail running event held on December 7, 2025. The race offers two challenging distances: a 5-mile single loop with 450 feet of elevation gain, and a tougher 10.5-mile course featuring an additional ou..

The Tinsel Trot 10k in Louisa, VA, is a festive cross-country running event held at Southern Revere Cellars. The course loops around the winery property, with the 10k consisting of four laps and the 5k two laps, featuring mostly flat terrain with no major hills. Participants receive a technical even..

The Mid-Maryland Trail Festival 50k is a trail running event held at Rockburn Branch Park in Elkridge, Maryland. The race covers 31 miles (50 kilometers) through six loops of approximately 5.179 miles each on wooded trails. Participants can run the full 50k solo or form relay teams of 2 to 6 members..

The Dahlgren Trail Half Marathon is a scenic running event taking place on the Dahlgren Railroad Heritage Trail in King George, Virginia. This half marathon features a flat, out-and-back course that showcases the natural beauty of the area. Participants can enjoy cash prizes, custom finisher medals,..

The ICY-8 Spotsylvania Courthouse is an endurance trail running event held at Lake Anna State Park in Spotsylvania, Virginia. Featuring an 8-hour adventure trail run and a new half marathon+ option, the event offers a figure-8 course composed of three loops: an 8.0-mile long loop, a 4.7-mile loop, a..

The Bull Run Run (BRR) 50 Miler is a historic trail race held in Clifton, Virginia, organized by the Virginia Happy Trails Running Club. Established in 1993, it is one of the oldest 50-mile races in the U.S. The course traverses forested, rolling terrain along the Bull Run Occoquan Trail, showcasing..