Herndon
Trail Running Calendar near Herndon 2026-2027
Explore the top trail runs near Herndon for 2026-2027! We've gathered 85 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
March 2027
Scenic, flat half and full marathons along the Chesapeake and Ohio Canal in Georgetown with chip timing, finisher medal, technical shirt, and a Boston qualifying full marathon option.
Test your limits in Lorton at this elite backyard marathon featuring dedicated day and night loops. With a limited field of 65 runners and a chef supported aid station, it is the perfect venue for a personal best.
April 2027
A 50 mile trail race on the Bull Run Occoquan Trail near Clifton, Virginia, held April 3, 2027, with a 13 hour time limit and Trail Sisters approved support.
A Georgetown race on the C&O Canal offering 5k, 10k and half marathon distances with chip timing, medals, technical shirts and a virtual option.
A 100 mile race on the scenic C&O Canal with an almost entirely flat course, starting and finishing at Camp Manidokan near Knoxville, Maryland, Apr 24 and 25 2027.
May 2027
MoCo CARES Charity Race in Gaithersburg, MD features 10K and 5K cross country courses, a paved 1 mile fun run, and a kids Trike-A-Thon supporting Comfort Cases and Covenant Life School.
A flat, out-and-back marathon and half marathon on the C&O Canal Towpath at Fletcher's Cove on May 1, 2027, with mostly crushed gravel and river views.
Healthy Strides at Burke Lake Park features certified 5K and a competitive 10K on May 1, 2027, plus children's dashes, medals and race tees.
A Mother’s Day running event in Georgetown with scenic flat 5 km and 10 km courses along the C&O Canal, chip timing, awards, series points, and a virtual option.
Scenic 5k, 10k and half marathon on the C&O Canal in Georgetown with chip timing, medals, technical shirts, a virtual option, and series points.
A 24 hour backyard ultra at Meadowood on Mason Neck with hourly 4.167 mile loops, a 100 mile limit, central aid station support, and a $25 entry fee.
Run a scenic out and back half marathon or 5K on the flat gravel paths of the C&O Canal in the heart of Georgetown to benefit Operation Turbo.
Scenic 5k, 10k and half marathon at Great Falls, MD along the Potomac and C&O Canal with chip timing, medals and a virtual option.
June 2027
A backyard ultra in Knoxville MD where runners repeat a 4.167 mile loop each hour until one remains; a parallel 1 mile Mortals Edition runs under the same rules.
Nighttime trail ultrarun at Prince William Forest Park offering 50 mile and 25 mile options, strict cutoffs, required lights and mandatory hydration.