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Trail Running Calendar near Alexandria 2026-2027

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Explore the top trail runs near Alexandria for 2026-2027! We've gathered 64 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

May 2027
May
1
Sa

Farm Park Challenge

Trail Run 25 km Marathon
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.
May
1
Sa

Potomac River Run Marathon

Trail Run Half Marathon Marathon
Marathon and half marathon on the C&O Canal Towpath at Fletcher's Cove in Washington DC on May 1, 2027, featuring a mostly crushed gravel out and back course with river views.
May
29
Sa

Furbutt's Backyard Ultra

Backyard Ultra 4 mi
A 24 hour Backyard ultra on Mason Neck with a 4.167 mile loop, 100 mile limit, single aid station, and a field capped at 100 runners.
June 2027
Jun
12
Sa

OSS/CIA 50 Mile Night Run

Trail Run 25 mi 50 mi
A night-time trail event in Prince William Forest Park featuring a 25+ mile loop run twice for 50 miles, with staffed aid stations and park-specific crew and pacer rules.
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