January ultramarathons in Virginia, United States

Groomed forest trails on a three-lap loop, limited course marking with self-navigation, relaxed format with route flexibility

Scenic Willis River Trail loops with stream crossings, rolling hills, and a Bear Creek extension for the 50k option

Challenging winter figure-eight course in the central Massanutten Mountains, featuring rocky terrain and two ascents of Waterfall Mountain

Challenging trails and forest scenery on a course starting and finishing near Prince William Forest Park Campground