Trail Running calendar near Thurmont 2025-2026

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

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 ultra and a 20K race. Both courses loop around a 9.5-mile single-track perimeter..

The Barrel Oak Turkey Trot is a pre-Thanksgiving running event held at Barrel Oak Winery in Delaplane, Virginia. It features 3k and 6k cross-country courses that loop around the vineyards, including gravel roads and hills, with the 6k consisting of two laps of the 3k route. The race welcomes walkers..

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 Hex Hollow Half is a trail running event held in Glen Rock, Pennsylvania, starting and finishing at Spring Valley Park. It offers two race distances: a challenging half marathon of 13.13 miles consisting of two loops, and a shorter 6.66-mile single loop for those not ready for the full distance...

The Fall Backyard Burn at Laurel Hill is a trail running event held at the Workhouse Arts Center in Lorton, VA, set on the scenic 1600-acre grounds of the former Lorton Reformatory. The course features a mix of forested and open meadow singletrack trails composed of dirt and crushed stone, with mini..

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, held in Catonsville, Maryland, is a cherished community event celebrating health, wellness, and family. It features a cross country-style 1 Mile Family Fun Run and a 5K race, both chip timed. The event fosters a spirited atmosphere with awards..

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. The course features primarily single-track trails with some roots, rocks, and brief technical sections, along with fire roads an..

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 4.8-mile loop with 450 feet of elevation gain and a tougher 10.5-mile course featuring an additional out-and-..

The Tame the Tower Trail Challenge is a trail running event held in Mt. Gretna, Lebanon, Pennsylvania, at Clarence Schock Memorial Park. Scheduled for December 13, 2025, it features two distances: a 10-mile "T-Rex" and a 5-mile "Ferocious" run.The courses are well-marked with colored flags and showc..

The Mid-Maryland Trail Festival 50k is a 31-mile ultramarathon held at Rockburn Branch Park in Elkridge, Maryland. The course consists of six loops, each approximately 5.179 miles, winding through wooded trails. Participants can run the full 50k solo or form relay teams of 2 to 6 members, exchanging..

The Capital Backyard Ultra is a challenging endurance running event held at Meadowood Special Recreation Management Area in Lorton, Virginia, near Washington DC. This Silver Ticket race features a unique format where participants run a 4.167-mile loop every hour, starting on the hour, continuing unt..

The Genesee Valley Ultra is an endurance running event held at the Genesee Valley Outdoor Learning Center in Parkton, Maryland. It features a 2.5-mile trail loop through farm roads, grass fields, and some double track on private property. Participants can choose from 6, 12, or 24-hour race durations..

The Bull Run Run (BRR) 50 Miler is a classic 50-mile trail race held annually in Clifton, Virginia, within Hemlock Overlook Regional Park. Established in 1993 and organized by the Virginia Happy Trails Running Club, it is one of the oldest 50-mile races in the U.S. The course features forested, roll..

The Dirty Kiln Trail Races at Canoe Creek, held in Hollidaysburg, PA, is an annual trail running event organized by Allegheny Trailrunners, Inc. The 13th running is scheduled for April 11, 2026, featuring two race options: a short course approximately 10K and a more challenging half-marathon long co..

The Breeze Thru The Trees 5k is a cross-country running event held at Ruppert Nurseries, a 500-acre tree farm located in Gaithersburg, Maryland, within Montgomery County’s Agricultural Reserve. The event features a 5K run and a 1-mile fun run, offering participants a scenic course winding through a..

Run to Remember in Sykesville, MD, is a memorial running event held at Piney Run Park featuring distances of 50K, 25K, 5 miles, and an 8-hour challenge. The course is a scenic 5.25-mile loop through woods and meadows, with about half the route offering lake views. Runners complete multiple loops dep..

The C&O Canal 100 is a 100-mile ultramarathon held in Knoxville, Maryland, along the scenic C&O Canal towpath near the Potomac River and Appalachian Mountains. The course features one approximately 40-mile loop followed by two 30-mile loops, starting and finishing at Camp Manidokan. Runners enjoy te..