Trail Running calendar near Ellicott City 2026-2027

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 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 at Piney Run Park in Sykesville uses a 5.25 mile loop for 50K, 25K, a 5 mile race and an 8 hour challenge, with aid stations and commemorative gear included; proceeds support club programs and cancer research.

A 100-mile ultramarathon on the C&O Canal towpath near the Potomac River, featuring one 40-mile loop and two 30-mile loops, staffed aid stations, low-elevation terrain, and volunteer support.

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.

Tough Mudder Philly on May 22, 2027 offers 15K and 5K obstacle courses, an Infinity multi-lap option, spectator Mudder Village access, finisher items, group packages, and discounts for verified military and first responders.

A 24 hour Backyard format run on a 4.167 mile loop at Meadowood Special Recreation Area near Lorton, Virginia. Runners complete hourly loops with a 24 hour 100 mile limit and one shared aid station under a horse pavilion.