Trail Running calendar near Upper Marlboro 2026-2027

A marked trail competition in Prince William Forest Park offering a 25 km one loop and a 50 km two loop option with on course aid stations. Entry opens September 15, 2026 and the field is limited to 110 runners.

Trail races at Conway Robinson State Forest on October 25, 2026, offering 5K, 10K and several virtual options with medal and shirt choices; walkers are welcome.

Scenic 5K through vineyard and farm at Rocklands Farm Winery with chip timing, age group awards, and a post-race wine tasting with live music. Walkers and children are welcome and a one hour course time limit applies.

Experience a mix of twisty singletrack and open farm field running in Germantown. This late autumn trail event offers three distances and a festive post race atmosphere at the historic Button Farm.

Experience a 50 mile trail race through the scenic Seneca Greenway and Muddy Branch trails in Maryland. This event features forested single track terrain and small stream crossings for dedicated distance runners.

Run Through the Grapevine is an 8K cross country race at Linganore Winery in Mount Airy, Maryland on November 8, 2026. The course runs through vineyard rows and adjacent hop yards, and all finishers receive one free winery tasting.

A multi-distance trail and virtual event at Valor Ranch in King George, Virginia supporting recreational therapy for injured service members and first responders. One hundred percent of registration proceeds go to Valor Ranch and all regist..

A fall trail event at Trap Pond State Park featuring a 4.5 mile loop on the Bob Trail and a 2 mile walk. Participant fees support Legacy Academy.

Trail races of **50K** and **20K** loop Rosaryville State Park single track in Upper Marlboro, MD, with two aid stations, a drop bag area, participant limit, and post race food and festivities.

Trail races at Hemlock Overlook in Clifton, VA offer two loop options, 5.2 miles or 9.5 miles. The course follows hiking trails, dirt roads and fields along Bull Run and includes designated spectator areas and park facilities.

A pre-Thanksgiving 3K and 6K at Barrel Oak Winery and Brewery in Delaplane, VA on November 15, 2026. In-person runs and virtual entry options are available; walkers and leashed pets are allowed.

A 5K cross country at Herring Run Park on November 15, 2026, featuring mixed surfaces and an XC style start. Entry is free and donations support a college scholarship or Friends of Herring Run Parks.

A trail 25k in Queen Anne, Maryland on November 21, 2026. Mostly single track with runnable hills, three aid stations, food options, and awards for the top three men and women.

Experience riverside singletrack at Riverbend Park with 5 and 10 mile trail races. This event offers scenic Potomac River views, a dedicated kids program, and professional race support in a beautiful natural setting.

A 5K and 10K on the flat Carderock trail along the Chesapeake and Ohio Canal Towpath in Potomac, Maryland on November 22, 2026. Walkers are welcome and virtual entries are available with medal and shirt options.

A 5 km and 10 km run at The Winery at Bull Run in Centreville on November 25, 2026, with routes through the Manassas National Battlefield trails and both in-person and virtual participation options.

Celebrate Thanksgiving with a cross country style race through scenic Catonsville. Support the local high school running program with a chip timed 5K or a 1 Mile Family Fun Run for all ages.

A trail and canal run near Great Falls, Maryland on November 26, 2026 covering about 10 miles with options to shorten. Entry opens November 12 and is capped at 29 runners; entrants receive course instructions before the run.

A Thanksgiving weekend running event at Lake Anna State Park offering a 5K trail run plus 10K and half marathon courses that mix trail and paved road. Walkers are welcome and virtual entry options are offered.

A late November 2026 community 5k at Killens Pond State Park offering a 5k run walk and a competitive walking 5k with chip timing, age group awards, long sleeve shirts, and a post race refreshment selection.