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.

Saturday May 1

Trail Demon 10k

Bluemont - 58 mi from Rosaryville

View race

5 km

10 km

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.

Saturday May 29

Furbutt's Backyard Ultra

Lorton - 21 mi from Rosaryville

View race

Backyard Ultra

4 mi

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.

Previous 1 2 3 4 5 6 7 Next

Add Event

Help us complete the calendar!

Distance is at least 5 km
Event has a website or Facebook page

Website

Optional: Please provide your e-mail address if we may contact you.

Report a change

We will only update the data if the information is also on the website.