Trail Running calendar near Reston 2026-2027

A community cross country event in Catonsville on Thanksgiving offering a chip timed 1 Mile Family Fun Run and a 5K. All proceeds support the CHS Cross Country program and awards include cash and age group prizes.

Devil Dog Ultras in Prince William Forest Park offers 100 mile, 100K and 50K loop races on primarily single track with staffed aid stations, set time limits, limited entry, and a multi year loyalty challenge.

Trail races at Fountainhead Regional Park on December 6, 2026, with 4.8 mile and 10.5 mile options along trails and dirt roads; aid stations, post-race food, optional medals, and a kids program are available.