Trail Running calendar near Reston 2026-2027

A roughly 10 mile trail and canal run near Great Falls on November 26, 2026. Entry opens November 12 and is limited to 29 runners, and participants are responsible for their own medical care.

Lake Anna Turkey Trot at Lake Anna State Park on November 27, 2026 offers 5k, 10k and half marathon courses. The 5k is a trail run while the 10k and half are half trail and half paved; walkers are welcome.

A looped trail ultramarathon at Prince William Forest Park with 50K, 100K and 100 mile options, staffed and unmanned aid stations, set time limits, a 300 runner cap, and a multi year loyalty challenge.

Trail runs at Fountainhead Regional Park on hiking trails and old dirt roads with 4.8- and 10.5-mile options, aid stations, post-race food, and a kids race and program for ages 2-11.

A holiday-time 50 km out-and-back on the Bull Run-Occoquan Trail from Hemlock Overlook with four aid stations, a downloadable GPX file, and a $20 entry that includes lodge access and an after-event meal. Participants should carry a reusable..

A trail event at Burke Lake Park on December 24, 2026 offering 5 km and 10 km distances plus virtual participation. Walkers are welcome and registration includes tiered pricing and merchandise options.

A minimally marked 40.3-mile counter-clockwise loop through the Massanutten Mountains with about 6,500 feet of climb, three aid stations, and limited entry; participants must self-navigate, self-support, and prepare for winter mountain cond..

A 50 km New Year trail run at Prince William Forest Park with three repeats of a roughly 10-mile loop, mostly on groomed trails. The event uses an unmanned aid spread at the start/finish and has limited entry.

Experience a scenic out and back half marathon on the flat and smooth Dahlgren Railroad Heritage Trail. Enjoy a unique post race campfire with roasted donuts and earn a custom finisher medal.

A 32 mile point to point mountain training run on Jan 16, 2027, covering roughly the first third of the MMT 100 with about 4,600 feet of ascent. It requires a shuttle, includes two aid stations and has limited entry.

A 50 km trail run at Hashawha Environmental Center near Westminster MD featuring 31 miles of mixed surfaces, 5,800 feet of elevation gain, five aid stations and a 9 hour time limit. Lottery entry opens Jan 1, 2027 for ten days.

A rocky, technical 50 km on mostly forested single track in the northern Massanutten range, with 6,400 ft of elevation and limited aid at Mudhole Gap and Elizabeth Furnace; navigation relies on blazes, turnsheet, and GPX.

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.

A last person standing endurance race in York, PA where runners repeat hourly loops until one remains. Entries include a designated parking and crew area, an event shirt, and a certified distance card.