Trail Running calendar near Great Falls 2026-2027

The Spring Hops will take place in Mount Airy on Sunday 18 April 2027. You can run 5 kilometers.

C&O Canal 100 is a 100 mile ultramarathon along the C&O Canal towpath in Knoxville, MD on April 24, 2027. The course uses one approximately 40 mile loop and two approximately 30 mile loops with multiple aid stations 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.

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 24 hour Backyard-format ultrarun near Lorton, Virginia using hourly 4.167 mile loops with a 100 mile limit. One central aid station beneath a horse pavilion supplies water, Gatorade and snacks while crews are allowed only at that station.