Annandale
Trail Running Calendar near Annandale 2026-2027
Explore the top trail runs near Annandale for 2026-2027! We've gathered 63 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
November 2026
Trail 5k, 10k and half at Burke Lake Park on November 28 with an ugly sweater theme, chip timing, virtual option, and proceeds benefiting Paws for Purple Hearts.
December 2026
A December trail ultra at Prince William Forest Park with 100-mile, 100K and 50K loop courses, aid stations, pacer rules, and set time limits.
Timed trail ultra on 12/05/2026 at Little Bennett Regional Park with 5 hour and 9 hour formats, relays, and a 4.5 mile race.
Trail races at Fountainhead Regional Park on December 6, 2026 offer 4.8 mile and 10.5 mile courses with aid stations, porta-johns, race swag, and a supervised kids program.
Three races on the C&O Canal in Georgetown and Fletcher’s Boathouse: 5K, half marathon and a Boston qualifying full marathon with chip timing and medals.
A VHTRC holiday time 50k out and back on the Bull Run-Occoquan Trail from Hemlock Overlook to Fountainhead, with four aid stations and a GPX file for navigation. Entry includes lodge access, stocked aid stations, and a catered after party for $20.
A 13.1 mile out and back on the C&O Canal Towpath at Carderock Recreation Area with online registration, two water stops, live timing, and post-race refreshments.
A morning 5k and 10k at Burke Lake Park on December 24 with chip timing, finisher medal, technical shirt, a virtual option, and series points.
January 2027
A 31.7 mile New Year event in Prince William Forest Park run as three loops on groomed trails and some gravel roads. Unmanned aid at the start and finish is supplied by participants and entry is limited to 120.
January 17, 2027 race in Georgetown offering a half marathon and 5k on the C&O Canal path with chip timing, medals, shirts, and a virtual option
A 15.5 mile winter training run from Fountainhead along the blue blazed BROT to Bull Run Marina with minimal marking and limited water aid.
February 2027
Scenic 5k, 10k and half marathon along the Potomac at Great Falls Park with chip timing, finisher medal, technical shirt and a virtual race option.
A 7-mile out-and-back lollipop loop at Fountainhead Regional Park with rolling hills, minimal markings, shared pot-luck aid, and the chance to run multiple laps.
Out-and-back 8k and 16k along the C&O Canal in Great Falls Maryland, chip timed with medals, technical shirts and a virtual participation option.
March 2027
An eight hour timed trail run on a 5.5 mile single track loop at Little Bennett Park in Clarksburg, MD on March 6, 2027.
A 15.5 mile training run on the Bull Run Occoquan Trail covering the northern section of the BRR 50 Miler with rolling terrain, a midway water table, and blue-blazed routing.