Trail Running calendar near Washington 2026-2027

A May fundraising series on the C&O Canal and Appalachian Trail supporting HARC programs, with distances from 5K to a 20-mile challenge, on-trail support, and a post-hike celebration lunch.

The Crooked Run Valley 10k will take place in Delaplane on Sunday 31 May 2026. You can run between 5 and 10 kilometers.

A measured *100-mile* loop through the Massanutten Mountains and Shenandoah River Valley with varied terrain, 14,000 feet of gain and 14 climbs. The volunteer-run event offers a 24 hour cutoff for the silver buckle.

Run a flat, fast five mile out and back along the shaded C&O Canal Towpath in Williamsport, MD on June 6, 2026. Enjoy chip timing, tech shirt options and age group awards in a friendly community race.

A night-focused trail event at Prince William Forest Park offering a 50 mile race plus 25 mile and 10 mile options. The 50 mile uses a 25+ mile loop run twice and features staffed aid stations and specific crew and pacer rules.

A chip-timed 5k at Corteau Vineyards on June 13, 2026, featuring a two-lap cross-country style course through the vineyards, age-group awards, race swag and a wine pour. Virtual participation and packet shipping are available.

A trail race on June 19 at Button Farm in Germantown offering 6k and 12k distances around the Schaeffer Farm Trails. The event counts toward series scoring, includes chip timing, shirts and medals, and offers a virtual option.

A rugged out and back on the Catoctin Blue Trail near Frederick, MD offering a 50K and a 25K Half Cat, with rocky singletrack, shaded forest, stream crossings, three staffed aid stations, and mandatory carried hydration.

The Puso 10K will take place in Washington on Saturday 20 June 2026. You can run between 5 and 10 kilometers.

Trail 5K and 10K at Seneca Creek State Park in Gaithersburg, MD featuring singletrack trails, lake views, aid stations, post race food, and a charity partner Interfaith Works.

Get muddy and fast at MCRRC XC on the Farm, a fun 5k cross country at Agricultural History Farm Park in Derwood on June 28, 2026. Open to all ages with affordable registration and a relaxed club atmosphere.

A free Forrest Gump themed fun run on Lakeside Loop in Owings Mills offering a full 4.4 mile loop or a 1 mile out-and-back option, meeting at New Town Village Center with themed attire suggested.

A summer trail race at Gunpowder State Park on July 12, 2026, listed as 7 miles with the course described as about 8 miles and crossing county lines. The route features rolling hills, water crossings and varied terrain, and field size is li..

Endless Summer 6 hour Run is a timed six hour event at Greenbury Point Nature Center in Annapolis on July 18, 2026. It is listed on the Annapolis Striders race calendar.

A cross country 5k and 10k at 868 Estate Vineyards with chip timing, a virtual option, race awards, and a postrace glass of wine for participants.

Trail race at Button Farm Living History Center in Germantown on July 25, 2026, offering 5K and 10K courses on maintained single track with stream crossings and some rocky, rooty sections.

The Christmas in July Half will take place in Washington on Saturday 25 July 2026. You can run between 5 and 13 miles.

Run the Vineyards at Bohemia Manor Farm offers scenic 5K and 8K courses through vineyards, waterfront and wooded trails, chip timed with live results. Finish with refreshments, a souvenir wine glass and an after party on the river.

Trail races at Little Bennett Regional Park on August 1, 2026 offer 5K and 10K singletrack courses with hills, stream-side sections, aid stations and post race food.

Pick a 5k, 10k, or half marathon on scenic gravel trail loops with chip timing, a finisher medal and a technical shirt. Run in person or virtually, earn series points and support Operation Enduring Warrior.