Trail Running calendar near Arnold 2026-2027

A 14 mile untimed point to point trail run along the Dahlgren Railroad Heritage Trail that starts at one Sheetz and finishes at another. The event features unusual aid station snacks and practical finisher swag.

Genesee Valley Ultra is a timed loop trail event at Genesee Valley Outdoor Learning Center in Parkton, MD. Runners choose 24 hour, 12 hour, or 6 hour formats to complete as many laps as possible on a 2 mile loop, with chip timing and awards..

A 50 mile trail race near Clifton, Virginia on April 4, 2027, run over forested, rolling terrain in spring. Entry opens October 1, 2026; the race has a 13-hour limit and a $125 entry fee.

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.

Run to Remember in Sykesville uses a 5.25 mile loop at Piney Run Park for 50K, 25K, a 5 miler and an 8 hour challenge. Fees include park entrance, a custom ice bandana and a commemorative mug.

A cross country 5K at Red Shedman Farm Brewery on the Linganore Winecellars grounds, with a technical quarter zip and one pour for finishers and on-site picnic and tasting options.

A 100 mile ultramarathon on the C&O Canal towpath in Knoxville, MD with start and finish at Camp Manidokan. The course is one 40 mile loop plus two 30 mile loops, with multiple aid stations and extensive riverside scenery.

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.

A trail running event at the Agricultural History Farm Park in Derwood, Maryland, featuring lap based 3, 6, and 10 hour Challenges and a conventionally timed marathon and 25K. Volunteers receive the same finishers' swag.

Trail Demon 5k & 10k in Bluemont VA features scenic, hilly trail courses with technical terrain around the property; runners can enter in-person 5 km or 10 km races or choose virtual options with medal or shirt.

Flat marathon and half marathon along the C&O Canal Towpath at Fletcher's Cove in Washington, DC. The mostly crushed gravel out and back course offers shaded river views, aid stations, and monetary prizes for top finishers.

A multi-distance event in Lewes, Delaware with 5K, 10K and half marathon options plus race walk and heavy march categories. The weekend includes an educational exhibit, vendors and live music while supporting wounded warriors and homeless v..

ChesLen Chase on 05/08/2027 in Coatesville PA features a 5K trail run and a 2-mile fun run-walk, youth categories, member discounts, and a post-race party with music, craft beer, food truck fare, and awards.

A morning **5K** held as part of the Fair Hill Scottish Games on May 15, 2027, in Elkton, MD, with on-field entries accepted, an entry fee that includes admission, and cash prizes plus trophies for top finishers.

Tough Mudder Philly on May 22, 2027 offers 5K and 15K obstacle runs plus an Infinity multi‑lap option and spectator access. The Plantation Field course features rolling hills, riverbed crossings, thick mud and a rural setting about an hour..

A 24 hour Backyard ultra on Mason Neck with a 4.167 mile loop, 100 mile limit, single aid station, and a field capped at 100 runners.

Backyard-style ultra in Knoxville MD with repeating 4.167 mile laps every hour until one remains, plus a concurrent 1 mile Mortals edition.