Trail Running calendar near Rosaryville 2026-2027

A four-date series of 10K trail runs in the Pickall Area of Patapsco Valley State Park from May 6 to May 27, 2026, with running time results and options to enter single dates or the full series.

A towpath race at Carderock Park in Potomac, MD on May 16, 2026, offering 5K, 10K and half marathon distances; courses are described as fast and flat, walkers are welcome, and virtual entry options include medal and shirt choices.

Trail races at Kelly's Run Nature Preserve in Holtwood on May 16, 2026 include chip timed 10K and 5K courses plus a free kids trail race of about 1.5 miles. The 10K features 1,256 feet of elevation and an aid station at Pinnacle Overlook.

Two days of fundraising hikes in May 2026 offer 5K and 10K canal routes plus 10 and 20 mile Appalachian Trail challenges, with trail support, fundraising matches, and proceeds benefiting Micah’s Backpack and the Refugee Welcome Network.

A two-part fundraising hike in May with Challenge options on the Appalachian Trail and 5K/10K hikes on the C&O Canal, supporting Micah’s Backpack and the Refugee Welcome Network; individual fundraising is matched 2-to-1.

Test your resilience in this 24 hour endurance challenge in Annapolis. Set your own mileage goals to honor military heroes while enjoying provided meals and a community trail running environment.

A four-date series of 10K trail runs in the Pickall Area of Patapsco Valley State Park from May 6 to May 27, 2026, with running time results and options to enter single dates or the full series.

An evening 5 km and 10 km run through the historic Manassas National Battlefield with start and finish at The Winery at Bull Run in Centreville, VA. In-person and virtual entry options are available.

Furbutt's Backyard uses a 4.167 mile hourly loop with a 24 Hour 100 mile limit and a 12 Hour After Dark option at Mustang Trailhead. A single aid station supplies water, ice, Gatorade and snacks and crews are allowed there.

A four-date series of 10K trail runs in the Pickall Area of Patapsco Valley State Park from May 6 to May 27, 2026, with running time results and options to enter single dates or the full series.

A backyard ultra in Knoxville, Maryland where runners complete a 4.167 mile yard each hour until only one finishes. The event includes a 1-mile option, offers prize money for top finishers, and serves as a Backyard Ultra qualifier.

A 100-mile, 10-loop event on Rock Creek Trail near Washington D.C., with about 8,200 ft total elevation and a 36-hour cutoff. Two ticket types are listed at the same price including tax.

Trail run and walk on May 30, 2026 at Gentle Giants Draft Horse Rescue in Mt. Airy, MD featuring 1 mile and 5K courses across forest trails and open pasture with draft horses on the farm.

A loop race at Sky Meadows State Park on May 31, 2026, offering 5 km and 10 km in-person distances plus virtual entry options, with a scenic course around Turners Pond featuring fields and streams.

Experience the FXBG Trail 5 Miler at Motts Run Reservoir in Fredericksburg. This five mile trail race features three distinct climbs and over 300 feet of elevation gain along a scenic and flowing course.

A longstanding five-mile memorial run on the C&O Canal Towpath in Williamsport, MD, held June 6, 2026, with regular and student entries, chip timing, technical T-shirts, and awards for podium finishers.

A community team race at Burke Lake Park on June 6, 2026 featuring a 5K race and a 2K walk and roll that raises funds for services and advocacy for people with intellectual and developmental disabilities.

Trail Trotters 5K & Fun Run at Promise Landing Farm in Upper Marlboro offers a farm-trail 5K and a fun run to support the farm's riders and programs. The event includes free parking, a shirt deadline of May 16, no pets, and refunds up to se..

A night trail event in Prince William Forest Park featuring a 50 mile race made of two 25 plus mile loops, plus 25 mile and 10 mile options. The course is mostly single track with staffed aid stations and defined crew and pacer rules.

A chip timed 5k at Corteau Vineyards in Mechanicsville, Maryland on June 13, 2026, featuring vineyard scenery, a t-shirt, collapsible wine glass, finisher medal that doubles as a wine stopper, and an on-site wine pour.