Trail Running calendar near Upper Marlboro 2026-2027

We have found 112 Trailruns within 80 miles of Upper Marlboro. See below where and when you can find the races.

Trails 4 Tails offers a 40-mile ultra, a 40-mile team relay, and a 25K on a scenic multi-loop course through Codorus State Park. The trail route features varied terrain and changes direction each year. All races finish at a stocked pavilion..

The Final Countdown Tribute is a unique last-runner-standing event on a 1.33-mile loop at Amani Brewing. Each lap's time limit gets 20 seconds faster, testing endurance and pace. Runners receive a shirt, finisher award, and a post-race beve..

Event Information The River's Edge Endurance Challenge takes place in Brunswick, Maryland. The event is the 8th annual edition and offers three different race distances. Distances 5K (3.1 miles) 3 Hour Endurance Race 6 Hour Endurance Chall..

Experience the oldest trail race in the county with 10 miles of rocky terrain, steep hills, and river views. This historic event offers a technical point to point course through the scenic landscapes of Eastern Pennsylvania.

Join a community 5K run and walk through the scenic trails of Agricultural History Farm Park. Enjoy a morning of music and fitness with events for all ages and awards for top finishers.

Experience the full reservoir trail system on this thirteen mile course in Fredericksburg. Runners navigate flowing singletrack and five distinct climbs totaling over nine hundred feet of elevation gain through scenic wooded terrain.

October 2026

Experience a dog friendly trail race through the varied terrain of Caledon State Park. Run a 10K or 1 mile course with your leashed companion to support local natural resources and educational programming.

Experience a technical trail race through the historic Glenroy Preserve. Choose between five mile, 25K, and 50K loops featuring creek crossings, rolling hills, and post race celebrations.

Experience a unique trail run through 1600 acres of former prison grounds at Laurel Hill Park. Choose between 5.4 or 10 mile distances on scenic singletrack featuring historic guard towers and open meadows.

Experience a unique trail event at Milkhouse Brewery in Mount Airy featuring a 5 mile race and timed ultra challenges. Complete as many loops as possible over four or eight hours on this scenic farm course.

Experience the scenic singletrack trails of Lake Fairfax Park with 5 mile and 10 mile race options. Enjoy a community atmosphere with post race breakfast and a dedicated program for children.

The Patapsco Valley 50K offers a scenic trail run near Baltimore. Finishers earn unique awards, like a hand-thrown mug for the 50K. A virtual option lets you run your own course during the month following the event.

Experience a seasonal trail run or walk through the scenic Conway Robinson State Forest in Gainesville with 5k and 10k distance options for all participants.

Experience a scenic 5K cross country run through the historic Rocklands Farm Winery followed by an after party with live music and wine.

November 2026

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.

An 8K cross country run at Linganore Winery in Mount Airy, Maryland on November 8, 2026. The mixed terrain course loops through grapevines and hop yards and finishers receive a complimentary tasting.

The Talaria Trail Run is a fall event at Trap Pond State Park in Delaware. It features a 4.5-mile race on the scenic Bob Trail and a 2-mile walk. Participation supports Legacy Academy.

Experience a scenic trail race through the forests and fields of Hemlock Overlook Regional Park. Choose between 5 or 10 mile distances on a spectator friendly course featuring stream crossings and riverside trails.

Run through the vineyards at Barrel Oak Winery on this pre Thanksgiving cross country course. The event features a 3k and 6k race, with participants receiving a finisher's medal, tech shirt, and a post race drink. The race supports Warriors..