Trail Running calendar near Upper Marlboro 2026-2027

We have found 100 Trailruns within 80 miles of Upper Marlboro. See below where and when you can find the races.

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 featuring 25k, 12.5k and 5k courses. The event supports local conservation groups and includes family activities and an Explore Passport for young participants.

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 spring road-and-trail event at Carderock Recreation Area with 5k, 10k and half-marathon out-and-back routes on the C&O Canal towpath, chip timing, finisher's coin, technical shirt, water stations, and a virtual option.

Trail races at Kelly's Run Nature Preserve in Holtwood, PA on May 16, 2026 featuring 10K and 5K courses plus a free kids race. Events are chip timed, include aid stations, marked courses, and support the Lancaster Conservancy.

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.

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.

Race through history on the trails of Manassas National Battlefield at dusk. The Night Raider offers 5k and 10k distances starting and finishing at the Winery at Bull Run. Runners receive a medal, tech shirt, and a post race glass of wine.

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.

Join the 14th annual Hike for Hunger & Hope with two events. Choose a challenging 10 or 20-mile Appalachian Trail hike in May or a scenic 5K/10K on the C&O Canal. All hikes support local food programs and refugee services.

Experience a scenic loop course through Sky Meadows State Park featuring views of fields and streams. This event offers 5k and 10k distances for both runners and walkers in the heart of Delaplane.

June 2026

This 45th annual memorial race honors coach Gary Brown with a fast, flat five-mile out-and-back on the shaded C&O Canal Towpath. Participants receive chip timing, a tech shirt, and awards. A student entry option is available for this Willia..

Run through history on the secret training trails of the CIA's predecessor in Prince William Forest Park. This night event features a 50-mile, two-loop course with a 14.5-hour limit, or a single 25-mile option. Pacers are allowed for the se..

Combine a 5k run or walk with vineyard scenery at Corteau Vineyards. Registration includes a wine glass, medal, and a wine pour, with age group awards for top finishers. Leashed dogs are welcome on this cross-country style course.

Event Overview The Fauquier Education Farm 5K and Fun Run is a fundraising event for the Fauquier Education Farm, a 501(c)(3) organization. The organization's mission is to advance agriculture through education and best practice farming. It..

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.

Event Overview The Catoctin 50k Trail Run takes place in June. It offers two distances: a 50k (approximately 32 miles) and a 25k called the "Half Cat." The event is held in Cunningham Falls State Park and Gambrill State Park near..

Run the scenic Puso 10K on the flat, gravel C&O Canal path in Georgetown, Washington DC. This chip-timed event benefits the PUSO Foundation and awards top finishers. All participants receive a finisher's medal and tech shirt.

Kick off the Blue Crab Bolt trail series with this scenic run at Seneca Creek State Park. Choose between a 5K or 10K course on park trails featuring lake views and streams. The event also offers a chance to support a local nonprofit charity..

This cross-country event takes place at the Agricultural History Farm Park in Derwood, Maryland. It's part of a free series for members, with paid registration available for non-members and a youth discount.