Spring ultramarathons in New York, United States

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

Repeated 50km loops on mixed trail surfaces, with about 1,300 feet of climbing per loop and changeable Central New York spring weather

Flat, certified looped course with chip timing and a six-hour limit; only completed laps count toward total distance

Scenic 50k route from Sunken Meadow on Long Island’s North shore through towns and trails to Heckscher State Park, including a pass under Sunrise Hwy

33-mile urban route across four boroughs with over 3,500 feet of elevation, 90 stair sets, city streets, bridges, parks, and dirt trails

One-mile park loop course with 24-hour run or walk options, flexible pacing, and a well-stocked aid station at the start/finish

77.7-mile relay course encircling Seneca Lake with rushing inlets, waterfalls, and sunlit shoreline views

Single-loop course on country and dirt roads following Sybil Ludington’s historic ride, with Revolutionary War landmarks near Carmel.

Flat, fast road marathon in East Meadow, centered on Eisenhower Park with live music, festival energy, and local crowd support.

50-mile course through Mohonk Preserve's scenic landscapes in the Hudson Valley

Ten-loop ultramarathon on Van Cortlandt Park’s cross country course, about 2,200 feet of elevation, rocks and roots, frequent aid stations

Technical woodland trails with rolling hills, rocky sections, roots, mud, slick rocks, and stream crossings amid nearly non-stop ascents and descents

Non-technical, runnable trail course with moderate climbing, occasional rocks and roots, and a balanced test of steady endurance

Midnight start on unlit ski slopes, ten challenging loops with major elevation changes, natural obstacles, and possible snow at Buffalo Ski Center

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

24-hour endurance challenge on a looped course with a vibrant, supportive atmosphere and live DJ, focused on mental health awareness and community impact

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 singletrack through Letchworth State Park’s varied terrain and elevation, with extensive park vistas and well-stocked aid stations

6-hour timed trail race at Durand Eastman Park on a 1-mile+ loop with one hill, pond views, and peak fall foliage amid scenic park landscapes