February ultramarathons in United States (Mid-Atlantic)

Diverse terrain loop in Lake Anna State Park, winter conditions, forest and lakeside scenery

Aid-supported overnight 50k through secretive routes, immediately followed by the Algonquin 50k for a combined 100k+ challenge

Scenic, flat 50k route through Chesapeake and Pocomoke forests on Maryland's Eastern Shore, 95% trails with single-track and wide paths

Winter 50k on repeated loops around Devil’s Bathtub through glacial eskers, with fading daylight, lengthening shadows, and a cozy lodge each lap

Shaded 4.3-mile singletrack loop in Little Bennett Regional Park, with 5- and 9-hour timed formats and on-course aid station in Clarksburg, MD

Scenic 5K lakeside loop along Lower Lake with tranquil water views, peaceful natural backdrop, and a relaxed, low-key atmosphere

Deep snow, dramatic winter conditions, historic drawbridge crossing, and scenic towpath from Wide Water’s Marina in Lockport, NY

Multiple 5K trail loops at First Landing State Park from sunrise to sunset, solo or team relay format

Scenic double loop around Holiday Lake with mixed country roads and trails, 2,000 feet of elevation gain, and varying weather conditions

South Mountain Reservation trails in Maplewood, with a roughly 10-mile wooded loop format for 50K and 50-mile distances.

Point-to-point winter ultra across New River Gorge National Park, high ridgeline single-tracks, waterfalls, and iconic bridge views; 10-hour course limit

Rugged winter 71-mile counter-clockwise circuit on the Massanutten Trail, defined by long mountain terrain and an invitational atmosphere.

Winter 100-miler in Galax, Virginia, featuring repeated 10-mile loops with gravel climbs, technical trails, 15,000 feet of gain, and cold-weather conditions

Snowy late-winter loop through Gilbert Lake State Park forests, single and double track trails, gravel paths, and roads; choice of snowshoes or not

Varied 50 km course with singletrack, woods roads, fields, gravel and brief asphalt through forest, meadows and farmland views.

Single track dirt paths and gravel roads circling Saint Mary's Lake, forested scenery, 10.5-mile loop, about 500 feet of elevation gain per lap

Over 200 miles of coastal roads from Sandbridge Beach to Hatteras Lighthouse and back, with Outer Banks scenery and a demanding ultra-distance route