Trail Running calendar near Clarksburg 2025-2026

The Dark Side 8 Hour Ultra is an eight-hour trail race at Little Bennett Park in Montgomery County, Maryland, near Clarksburg. The course is a 5.5-mile loop run mostly on single-track trails, starting at the Little Bennett Campground Pavilion. Runners may complete as many laps as they wish within th..

Blazing Saddles is a trail running event hosted by the York Road Runners Club at Codorus State Park in Hanover, Pennsylvania. Scheduled for March 14, 2026, it offers two race distances: a 25K and an 8 Miler. Both courses run along the scenic Ranger Trail, featuring a mix of horse trails, single-trac..

HAT Run 50k takes place in Havre de Grace, Maryland, offering a challenging 50-kilometer trail race. The course blends mostly single-track trail with open fields, dirt roads, and a stretch of paved road, featuring nearly 4,400 feet of total climbing. Runners start with a 3-mile loop, then complete t..

The Twisted Oak 8k is a cross-country running event held at Twisted Oak Farm Brewery in White Post, Virginia. The course features scenic views around the brewery property with minimal hills, where the 8k race consists of two laps. Participants enjoy a challenging yet beautiful run and receive a fini..

Capital Backyard Ultra is a Last Runner Standing race held at Meadowood Special Recreation Management Area, 10702 Harley Rd., Lorton, Virginia, near Washington, DC. The course is a 4.167-mile loop that runners complete in succession, with the field reduced until only one remains, who must finish one..

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 Sheetz-to-Sheetz Trail Run is a 14-mile untimed point-to-point trail run held in King George, Virginia. Starting at a Sheetz convenience store near King George Middle School, the course follows rural roads briefly before transitioning to the flat, well-marked Dahlgren Railroad Heritage Trail, a..

Bull Run Run 50 Miler is a 50-mile trail race held in Clifton, Virginia, at Hemlock Overlook Regional Park. The course runs through forested, rolling terrain generally paralleling the Occoquan River and Bull Run during Virginia’s spring bloom. A Civil War theme honors battles that occurred in the ar..

The Molon Lave 5k is a scenic cross-country running event held at Molon Lave Winery in Warrenton, Virginia. The course features three loops around the winery property, offering a fairly flat terrain with natural vineyard surroundings. Walkers are welcome, and a virtual race option is available for r..

The Trail Demon 10k is a challenging trail running event held at Dirt Farm Brewing in Bluemont, Virginia. The course features a technical forest trail loop with tree roots, rocks, and elevation changes, offering scenic views and a demanding workout. Runners can choose between the 5k or 10k distances..

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, Maryland takes place at Piney Run Park (30 Martz Rd, Sykesville, MD 21784). The event offers multiple distances: 50K (6 loops of 5.25 miles), 25K (3 loops), an 8 Hour Challenge, and a 5.25-mile race. The course runs through woods and meadows with lake views along about..

The Barrel Oak 6k is a scenic and challenging cross-country race held at Barrel Oak Winery in Delaplane, Virginia. The course features two laps of a 3k route that winds through vineyards, including gravel dirt roads and some hills, offering varied terrain and elevation. Walkers and leashed pets are..

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 a..

Farm Park Challenge is a trail running event at Agricultural History Farm Park in Montgomery County, Maryland, presented by My Muddy Shoes. The race offers multi-hour lap formats: 3-Hour, 6-Hour, and 10-Hour challenges, totaling 3, 6, or 10 laps, each start at the top of the hour and must be complet..

The Massanutten Mountain Trails (MMT) 100 Mile Run is a challenging ultramarathon held in the Massanutten Mountains within Virginia’s Shenandoah Valley, starting and finishing at Caroline Furnace Lutheran Camp in Fort Valley, VA. The rugged 100-mile course features rocky trails with short but steep..

The More Miles Last One Standing Challenge is an endurance running event held in Knoxville, Maryland, featuring a unique "last one standing" format. Participants run a 4.167-mile loop, known as "the yard," every hour on the hour, continuing as long as they can complete the distance within the hour...

The Old Dominion 100 Endurance Run, held in Fort Valley, Virginia, is a challenging 100-mile race featuring a diverse course that includes pavement, gravel roads, single-track trails, ATV trails, logging roads, rocks, streams, and mud. This unique event tests runners' versatility across multiple ter..

The OSS/CIA 50 Mile Night Run is a challenging ultramarathon held in Prince William Forest Park, Virginia, a historic site once used to train World War II OSS spies. The race features a 25+ mile loop primarily on single-track trails, fire roads, and several bridge and road crossings, which runners c..

The MD Heat Trail Race, held in Elkridge, Maryland at the Patapsco Pickall Area, offers challenging trail running options of 25K and 50K distances. The course features rolling single-track trails with over 2,000 feet of elevation gain, including technical rocky sections, two river crossings, and sce..