Trail Running calendar near Frederick 2025-2026

The Molon Lave 5k is a scenic cross-country running event taking place at Molon Lave Winery in Warrenton, VA. Participants can enjoy a beautiful 5k course while earning points towards the Year-Long 5k & Back of the Pack Series, as well as the Sippin Series. The event welcomes walkers and offers a vi..

The HAT Run 50K is an exciting trail running event taking place in Havre de Grace, MD. Scheduled for March 22, 2025, this challenging race features a course that combines single-track trails, open fields, dirt roads, and some paved sections, with a total elevation gain of nearly 4,400 feet. Particip..

The Battle of Kelly's Ford is a cross-country running event taking place at the scenic Kelly's Ford Inn in Remington, Virginia. Participants can compete in two separate races: a 6K for women and girls, and an 8K for men and boys, with awards given in various age categories. The course features a 2Km..

The Genesee Valley Ultra is a unique endurance running event taking place at the Genesee Valley Outdoor Learning Center in Parkton, MD. Scheduled for March 29-30, 2025, participants can choose from various race formats, including 24-hour, 12-hour, and 6-hour individual or team options. Runners will ..

The B&A Trail Marathon and Half Marathon is a popular running event taking place in Severna Park, Maryland. Scheduled for March 30, 2025, this race features both a full marathon and a half marathon, attracting participants of various skill levels. The course primarily runs along the scenic B&A Trail..

The Smoketown Brewery 10k is a scenic running event taking place on March 30, 2025, near Smoketown Brewery in Brunswick, MD. Participants can enjoy a flat, light gravel dirt path while competing for points in the Year-Long 5k, 10k, and Sippin Series. The event welcomes walkers and offers a virtual r..

The Rosaryville Half Marathon and 10K Trail Run is an exciting trail running event held at Rosaryville State Park in Upper Marlboro, MD. The course features a mix of beautiful hardwood forests and open fields, designed to be beginner-friendly while still offering a fun challenge. Participants can ch..

The Bull Run Run 50 Miler is a challenging trail running event held in Clifton, Virginia, featuring a scenic 50-mile course that follows the Occoquan River and the historic Bull Run. Scheduled for April 5, 2025, this race showcases the natural beauty of the area, including the largest bluebell stand..

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 at Lake Fairfax is a trail running event hosted by EX2 Adventures, taking place in Reston, VA. Participants can choose between two course lengths: 5.1 miles (1 lap) or 10 miles (2 laps), featuring scenic views of Lake Fairfax and a mix of smooth singletrack and technical sec..

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 at Pohick Bay is an exciting trail running event hosted by EX2 Adventures, featuring a scenic course that showcases the natural beauty of Gunston Cove and the surrounding wildlife refuge. Participants can choose between two distances: a 5.7-mile single lap or a 10.1-mile dou..

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 offers a mix ..

The The Four Leaf Clover Project's Run for Prosperity will take place in Bluemont on Sunday 4 May 2025. You can run 5 kilometers.

The Massanutten Mountain Trails 100 Mile Run is a challenging ultra-marathon set in the scenic Massanutten Mountains of Virginia's Shenandoah Valley. This event features a rugged course with over 18,000 feet of elevation gain, demanding both physical endurance and mental resilience from participants..

The Conestoga Crusher 10K Trail Race, along with the Conestoga Cruiser 5K 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 the Pinnacle..