Trail Running calendar near Potomac 2025-2026

The Bull Run Run 50 Miler is a challenging trail running event held in Clifton, Virginia, featuring a scenic 50-mile course that runs alongside the Occoquan River and the historic Bull Run. Scheduled for April 5, 2025, this race showcases the natural beauty of the area, particularly during spring wh..

The Breeze Thru the Trees 5k is a cross-country running event taking place at Ruppert Nurseries in Gaithersburg, Maryland, on April 6, 2025. Participants can choose between a 5K run and a 1-mile fun run, both set in a scenic tree nursery within Montgomery County’s Agricultural Reserve. Proceeds from..

The Cancer Crushin' 5k is a charitable running event taking place at the Jacobus Lions Ambulance Building in Jacobus, PA. This event aims to raise funds for the American Cancer Society, promoting awareness and support for cancer research and patient care. Participants can register for the race at a..

The Spring Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers participants a choice between a 5-mile and a 10-mile race. Set against the backdrop of a scenic lake and a well-maintained trail network, the course features smooth singletrack with some technical sections, providing a mix..

The Wild Trail 10K in Thurmont, MD, is a beginner-friendly trail race set in the scenic Thorpewood property. Scheduled for April 6, 2025, this event features both a 5K and a 10K race, both part of the FSRC Grand Prix series. Participants can enjoy a relaxed atmosphere, with no special gear required—..

The Gunpowder Keg Ultra, hosted by the Baltimore Road Runners Club, features a scenic trail race in Gunpowder State Park, Parkton, MD. Participants can choose between a 25K or 50K distance, with the course consisting of a 15.5-mile loop of single track, fire road, and asphalt. Runners can switch dis..

The Chopawamsic Challenge is an exciting 50K and 100K trail race held in Prince William Forest Park. This event offers participants a chance to test their endurance on scenic trails, with over 90% of the course consisting of single track paths. Runners will experience significant elevation changes,..

The C&O Canal 100 is a 100-mile ultramarathon set along the scenic Potomac River, ideal for both novice and experienced runners. The course features a combination of one 40-mile loop and two 30-mile loops on the historic C&O Canal towpath, providing beautiful riverside views and a smooth terrain. Pa..

Run to Remember is a commemorative running event held in Piney Run Park, Sykesville, MD, featuring various race options including a 50K, 50K Relay, 25K, 5 Mile, and an 8 Hour Challenge. This event honors the memory of lost loved ones and encourages participants to challenge themselves in their honor..

The Winchester Battlefield Half is a scenic running event taking place at the Third Winchester Battlefield, featuring a half marathon, 10k, and 5k. Participants can enjoy a chip-timed race with a technical event shirt and a finisher's medal. The event promotes awareness for organ donation through Te..

The Spring Backyard Burn Trail Run at Pohick Bay is a thrilling trail running event scheduled for April 27, 2025. Participants can choose between a 5-mile or a 10-mile course, both set against the stunning backdrop of Gunston Cove and the adjacent Mason Neck National Wildlife Refuge. The course feat..

The Farm Park Challenge is an exciting running event taking place at the Agricultural History Farm Park in Derwood, Maryland. Participants can choose from various challenges, including a marathon, 25K, and timed events of 3, 6, or 10 hours, all featuring a 5-mile loop course. The trail consists of n..

The Run First Wine Later 5k, taking place at Creek’s Edge Winery, offers participants a scenic cross-country experience through the vineyard. This event includes both a 3k and 5k race, contributing points to the Year-Long 5k & Back of the Pack Series as well as the Sippin’ Series. Runners will recei..

The Four Leaf Clover Project's Run for Prosperity is a scenic 5k event taking place at Bluemont Station Brewery & Winery. Participants can enjoy a chip-timed race, with awards for top finishers in various categories. The event also includes a fun run and offers a virtual race option for those unable..

The Ed Poling Memorial PA Challenge is a demanding hiking event that covers over 20 mountainous miles on the Appalachian Trail in Pennsylvania, starting at Caledonia State Park and concluding at Pen Mar Park. Participants receive comprehensive support, including lunch, snacks, drinks, and transporta..

The Massanutten Mountain Trails 100 Mile Run is a challenging ultra-marathon set in the scenic Massanutten Mountains of Virginia's Shenandoah Valley. This demanding race features a rugged course with over 18,000 feet of elevation gain, requiring participants to navigate short but steep climbs. Sched..

The Conestoga Crusher 10K Trail Race, along with the Conestoga Cruiser 5K Trail Race and the Kids Trail Race, will take place on May 17, 2025, at Kelly's Run Nature Preserve in Holtwood, PA. This event offers a challenging 10K course featuring steep climbs, creek crossings, and stunning views from t..

The Fountainhead Half Marathon and 10K Trail Run is a challenging and scenic race taking place at Fountainhead Regional Park in Fairfax Station, VA. Scheduled for May 18, 2025, the event features two courses: a half marathon (approximately 13.5 miles) and a 10K (approximately 6.9 miles), both showca..

The Capital Backyard Ultra is a unique endurance running event held in Lorton, Virginia, designed for a maximum of 60 participants. The race features a 4.167-mile loop that starts every hour, continuing until only one runner remains. Participants are supported by experienced staff and professional c..

The Ed Poling Memorial Hike for Hunger & Hope is a non-competitive fundraising event suitable for all ages, featuring hikes of varying distances along the scenic C&O Canal towpath in Maryland. Participants can choose from a 4K, 10K, or half marathon hike, catering to both casual and serious hikers...