Trail Running calendar near Annandale 2025-2026

Devil Dog Ultras at Prince William Forest Park offers 50K, 100K and 100 mile looped trail races on scenic single track and rolling hills. Well marked loops, staffed aid stations with hot food, and a 300 runner cap make for a focused ultra w..

Run for Valor at Valor Ranch features trail 5K and 10K, a weighted 10K ruck and a one mile fun run across scenic pastures and woods. Timed races, finisher medals and an after race party with music, vendors and food make it a festive fundrai..

Tackle scenic trails around Occoquan Reservoir at the Fall Backyard Burn Trail Run in Fountainhead Regional Park on Dec 7, 2025. Choose a 4.8 or 10.5 mile route, enjoy course support and post race food while supporting Homestretch.

Celebrate the season at the Tinsel Trot, a festive 5k and 10k at Southern Revere Cellars in Louisa. Enjoy a chip timed race, technical shirt and a post run glass of wine or beer, with a virtual option and proceeds supporting Serenity Farm.

Enjoy a scenic 13.1 mile run along the C&O Canal Towpath at the Founders Half Marathon in Potomac, part of the DCRR Snowball Series. Friendly on course support and post race snacks make this a welcoming community event.

Join the Anniversary Run 15K at Quiet Waters Park, a scenic trail race that wraps up the Annapolis Striders Championship Series. Finish at Sassafras Pavilion for awards, a lively community vibe, and volunteer opportunities.

Celebrate the season at the Holiday 4 Miler in mid December at Lake Accotink Park in Springfield. Run a scenic loop on paved and dirt trails along the CCT, with in person and virtual options.

Run scenic trails at Leesylvania State Park on January 17, 2026 and support Food for Others with 5k and 10k distances. Enjoy a mixed trail and pavement course, in person or virtually, with finisher medal and tech shirt for early registrants..

Challenge yourself on scenic singletrack at Rockburn Branch Park in the Mid Maryland Trail Festival, featuring a 50K and a 50K relay. Run six loops or join a team of 2 to 6 with options to run fewer loops and aid stations on course.

Run the Dahlgren Trail Half Marathon in King George VA on January 31, 2026. Flat, smooth former railroad bed, aid stations and a custom finisher medal while supporting local trail volunteers.

Run the Patriotic Pursuit in Williamsport Park with 5k, 10k and half marathon options along the scenic flat C&O Canal Trail by the river. Chip timing, tech shirts, finisher medals and a virtual option support Semper Fi & America's Fund.

Enjoy a scenic trail run along the Little and Middle Patuxent rivers in Columbia, Maryland. Choose from a half marathon, 10K or 5K on Jan 31 to Feb 1, 2026 at the Guilford Pratt Truss Bridge for a tame and rewarding trail experience.

Brave wooded trails at Prince William Forest Park on Feb 1, 2026 with distances from 5k to 50k, featuring technical hills, roots and scenic views. Support Semper K9 and earn medals, tech shirts and chip timing in this winter trail challenge..

Join the 18th annual ICY 8 at scenic Lake Anna State Park on Feb 7 for 8 hour adventure trail runs, a Half Marathon Plus in a figure 8 format, or a challenging 8 miler. Mostly single and double track trails promise a fun, rugged day outdoor..

Run a timed trail ultra at Little Bennett Campground on scenic 4.4 mile loops, choosing 5 or 9 hour solo or relay challenges. Enjoy aid stations, Altra shoe demos, a long sleeve race top and a post race chili bar while supporting Montgomery..

Run a hilly trail 5k or 10k at Wilderness Run in Spotsylvania VA on Feb 14, 2026 and support Semper Fi and America's Fund. Chip timing, finisher medal, tech shirt and a post race beer or wine; virtual option available.

Take on scenic river trails at the Paradise Springs 5k and 10k in Clifton VA on February 28, 2026, featuring challenging rocky sections and plenty of elevation. Finish at Paradise Springs Winery with a finisher medal, tech shirt and a compl..

Run scenic single track around Saint Marys Lake and Salem Forest with 17K, 34K, and 50K options on a 10.5 mile loop. Limited to 100 runners, the friendly trail race finishes with warm food and pancakes.

Take on the Hashawha Hills 50K in Westminster MD, a scenic trail run of two equal loops through woods, meadows and rolling farmland. Expect runnable single track, gravel sections and a few stream crossings for a varied, fun ultramarathon.

Join the Bigfoot Endurance 5 and 10 Mile at Rockburn Branch Park on March 1 2026, with a team relay option. Get a long sleeve shirt, finisher medal and two post race beers while supporting Parkinson's research on scenic gravel and natural t..