Trail Running calendar near Clarksburg 2026-2027

Participate in a scenic trail run in Lorton to support Gunston Elementary School. This community event features 10K, 5K, and Fun Run distances with proceeds funding student enrichment and arts programs.

Trail half marathon and 10K at Fountainhead Regional Park near Washington D.C. Courses feature singletrack with rocks and roots, stream crossings, multiple aid stations, and notable climbs, with chip timing and postrace support.

Join the 10th annual cross country event at Spencerville Adventist Academy featuring a 5K, 1 Mile run, and Kids Fun Run. Enjoy a campus course with finisher medals, team options, and a costume contest for all participants.

A community 5K run/walk at My Lady’s Manor Steeplechase Course in Monkton, MD supporting The Harford Land Trust and The Manor Conservancy, with professional timing, awards by age group, and a post-race gathering with finger foods.

The Johnnycake Jolt Series is a four-week trail run event on Wednesday evenings in May. Runners can tackle a scenic 10 km course in the Pickall Area of Patapsco Valley State Park. It’s a grassroots series designed to bring the local running..

A multi distance trail event in Waterford VA on May 9, 2026 that runs through historic village streets, vineyards, trails and unpaved roads. Proceeds support the Waterford Foundation and 5K and 10K finishers receive a shirt and medal.

A trail event at Cromwell Valley Park on May 9, 2026 offering 25k, 12.5k and a family 5k with mostly single track trails and mile marker activities for kids. Proceeds support local conservation groups.

The Johnnycake Jolt Series offers four weekly 10k trail runs in Patapsco Valley State Park. It's a grassroots, low-key event organized by park stewards, with a discount for park members.

A 100 mile trail ultramarathon in the Massanutten Mountains with rocky terrain and over 18,000 feet of ascent, starting and finishing at Caroline Furnace in Virginia’s Shenandoah Valley. A 36 hour cutoff applies and training runs are held b..

Experience a fast and flat race along the historic Chesapeake and Ohio Canal Towpath in Potomac. With 5k, 10k, and half marathon distances available, walkers and runners of all kinds are welcome at Carderock Park.

Experience the Conestoga Trail and Kelly's Run Nature Preserve with 5K, 10K, and kids trail races featuring river views and creek crossings in Holtwood.

Join the Ed Poling Memorial HARC Hike for Hunger & Hope, now in its 14th year. Choose from scenic C&O Canal Towpath hikes in May or a challenging Appalachian Trail hike. This fundraising event supports local community programs.

Test your resilience in this 24 hour endurance challenge in Annapolis. Set your own mileage goals to honor military heroes while enjoying provided meals and a community trail running environment.

The Johnnycake Jolt Series offers four weekly 10k trail runs in Patapsco Valley State Park. It's a grassroots, low-key event organized by park stewards, with a discount for park members.

Experience an evening run through the historic Manassas National Battlefield with the Night Raider 5k and 10k. Finish your race at The Winery at Bull Run and enjoy a post-race gathering at this scenic Virginia vineyard.

Run or walk a scenic off road 5K course along the Cacapon River and Lewis Farm. This benefit event supports local youth programs while celebrating the Wardensville Spring Fest with local food and creativity.

A backyard ultra at Mustang Trailhead offering a 24 hour 100 mile limit and a 12 hour after dark 50 mile option. One hour loops of about 4.167 miles with a single aid station providing water Gatorade and snacks.

The Bubbletown What The Duck Ultra is a 12-hour timed event on a certified 1.4-mile loop in Spring Meadows Park. Run solo or with a team to earn a finisher buckle for 35.48 miles or a hoodie for the same distance, with flexible team formats..

A 31.9 mile trail ultramarathon at Cowans Gap State Park on May 24, 2026, with about 5,800 feet of elevation gain and seven aid stations. Entry is limited to 75 runners and prior ultramarathon completion is required.

The Johnnycake Jolt Series offers four weekly 10k trail runs in Patapsco Valley State Park. It's a grassroots, low-key event organized by park stewards, with a discount for park members.