Trail Running calendar near Mount Airy 2026-2027

A 100 mile ultramarathon on the C&O Canal towpath near Knoxville, Maryland, with one roughly 40 mile loop and two roughly 30 mile loops along the Potomac River. Aid stations are placed about every 3 to 6.9 miles.

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.

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.

A Backyard ultra on Mason Neck with hourly 4.167-mile loops and a 24 hour, 100-mile limit. The course runs on bridle trails with one central aid station offering water, ice, Gatorade and snacks.