Trail Running calendar near Rosaryville 2026-2027

A Last Runner Standing backyard ultra at Meadowood in Lorton, Virginia where competitors run repeated 4.167-mile loops each hour; the event features pavilion staging, chef-supported aid, and a field limited to 65 runners.

A 14 mile untimed point to point trail run along the Dahlgren Railroad Heritage Trail that starts at one Sheetz and finishes at another. The event features unusual aid station snacks and practical finisher swag.

Genesee Valley Ultra is a timed loop trail event at Genesee Valley Outdoor Learning Center in Parkton, MD. Runners choose 24 hour, 12 hour, or 6 hour formats to complete as many laps as possible on a 2 mile loop, with chip timing and awards..

A turtle themed 5K at Hopkins Farm Brewery in Havre De Grace raising funds and awareness for the Susquehannock Wildlife Society. The trail race includes wooden participant medals, costume prizes, and an after party with live music.

Run to Remember in Sykesville on April 17, 2027 features 50K, 25K, a 5 miler and an 8 hour loop challenge around Piney Run Park, with aid stations, commemorative items, and awards for the top three men and women.

A 100 mile ultramarathon on the C&O Canal towpath near Knoxville, Maryland, with one roughly 40 mile loop and two roughly 30 mile loops along the Potomac River. Aid stations are placed about every 3 to 6.9 miles.

A trail running event at the Agricultural History Farm Park in Derwood, Maryland, featuring lap based 3, 6, and 10 hour Challenges and a conventionally timed marathon and 25K. Volunteers receive the same finishers' swag.

A Backyard ultra on Mason Neck with hourly 4.167-mile loops and a 24 hour, 100-mile limit. The course runs on bridle trails with one central aid station offering water, ice, Gatorade and snacks.