Intermediate ultramarathons in New Jersey, United States

Woodland trails and fire roads across rolling hills with technical and runnable sections, featuring 50K and 50-mile courses in South Mountain Reservation.

Stunning Wawayanda State Park trails with 100 miler, 100K, 50 miler, and 36-hour race options; generous cut-off times; nonprofit support

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

50-mile trail event in the South Mountain area, with a welcoming, community-driven atmosphere and local trail running and hiking focus

Ten climbs and 10,000 feet of elevation gain over nearly 40 miles on the demanding trails of the DWG region, featuring mountain views and waterfalls.

Technical 6.7-mile trail loop with 1,750 feet of ascent around Mt Tammany; demanding 30K and 50K+ distances for seasoned ultrarunners

Hilly Northern Jersey loop with rhododendron tunnels, marsh bridges, gravel roads, and single tracks through Wawayanda Park’s lush scenery.

Lush forest trails and rolling terrain on a well-marked loop through South Mountain Reservation, featuring 50K and 50-mile options with varied elevation.

Rugged northern NJ course with boulder fields, river crossings, steep climbs over 7000 feet, and scenic views including the New York City skyline