Summer ultramarathons in United States (Mid-Atlantic)

16.5-mile loops through Finger Lakes National Forest, single-track trails, grassy pastures, dirt and paved roads, 1292 feet elevation gain per loop

60k course with 1,600 feet of elevation gain on the varied trails of Red Wing Recreation Area in Lagrangeville, NY

Rugged, moderately difficult out-and-back laps on an unpaved rail trail with 1000 feet elevation change per lap and uneven terrain.

Rugged 100-kilometer course through the wild trails of the Alleghenies, rocky ridges, sparse aid stations, and punishing midsummer heat

Scenic Finger Lakes hills and valleys, swamplands to hilltops, steep descents, gully rim trails, finishing at the culturally significant Great Hill

Rolling grassy hills on a compact cross country loop with team relay format, dusk headlamps required, and awards for most laps completed

Historic Starrucca Viaduct start, four 25-mile out-and-back laps on a primarily flat stony rail trail with gradual elevation changes and trestle dips

Approximately 3.4-mile trail loop at Windsor Castle Park with 150 feet of elevation gain per lap, self-aided format, and a relaxed summer atmosphere

Six-hour endurance format at Greenbury Point, with Chesapeake Bay waterfront views and an exposed coastal setting.

50K on the scenic West Rim Trail with an early dark start, minimal aid, and a challenging out-and-back route to Bradley Wales

Technical 55K route on the Northville Placid Trail through remote Adirondack wilderness, 3,300 feet of elevation gain, fully self-supported format

1.07-mile loop course with cross-country terrain, paved and unpaved sections, rolling hills, and natural obstacles like divots and tire tracks

Rugged 50 km route through the southern Massanutten Mountains, tracing the area's industrial heritage near historic Catherine Furnace.

Timed ultramarathon featuring 12-hour and 24-hour options on a one-mile loop with full aid station support and space for personal setups

Randomly assigned trail loops across South Mountain Reservation, strategic decisions at dusk, and unpredictable routes inspired by the TommyKnocker Ultra

50k course with nearly 6,000 feet of elevation gain, rugged rocky trails, and technical terrain in Coopers Rock State Forest

Scenic trail courses in Canandaigua featuring 100-mile and 50-mile ultrarunning challenges

Gnarly single track and fast double track across Central Pennsylvania’s rugged Allegheny Front, steep climbs, demanding descents, and sweeping ridge views

24-hour race on Blackhawk High School track with lap direction changes, hourly themes, live music performances, and relay or solo participation options

Wooded Mt. Hoevenberg forest loops in Lake Placid, a backyard ultra in the Adirondacks with scenic woodland terrain and repeated laps.