12hr ultramarathons in New York, United States

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

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

Rugged southern trails with radical elevation changes, tough terrain, creek crossings, swamps, rocks, and roots at Newbsanity Adventure Center

Scenic lakeside loops on well-maintained trails and dirt roads, steady flat sections with occasional roots, plus upland forest and meadow circuits with varied,

Scenic 4-mile loop with 500 feet of elevation gain per lap in Sugar Hill State Forest, featuring rolling woodland terrain and Fire Tower Area views

One-mile grass and trail loop with minimal elevation at a reindeer farm; reindeer, chickens, and maple trees add to the unique farm scenery.

Set distance trail loops over 24 or 12 hours, festival atmosphere, support stations, belt buckle awards for 100+ mile finishers

Looped course on the Lake Ontario State Parkway Trail with accessible paths, dietary-sensitive aid stations, and lakeside scenery

Pine-lined 5k loops with soft trails, wooden teepee, rolling hills, 270 feet elevation gain per loop, community atmosphere, beginner-friendly terrain

Out-and-back 7.5-mile loops at Dryden Lake Park, 100-mile or 30-hour formats, basic aid, winter conditions, low-key community atmosphere

Multiple timed race options on a 5k trail loop, 250 feet of elevation gain per lap, set in a picturesque spring landscape

12-hour ultramarathon on a loop course with laps tallied only when completed, emphasizing endurance and pacing throughout the event

24-hour ultra in Winona Forest on a smooth, well-maintained non-technical loop, with lap-based endurance over a full day and night.

Rugged trail loop featuring the infamous "staircase of death" with over 800 feet of climb in under a mile, steep technical sections, and smoother stretches

Flat, paved 2.95-mile loop at Rockland Lake State Park with shaded and sun-exposed sections, ideal for fast times and personal records