Ultramarathons in New Jersey, United States in 2026

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

Flat 3.75-mile paved loop at Cooper River Park with Philadelphia skyline and waterfront views, easy pit access, and some rubber track sections.

Flat .8-mile park loop with pavement or gravel options, timed format, personal gear area near start/finish, accessible terrain in Westfield, NJ

Scenic loop course through woodlands and fields, quasi-technical trails with 300 feet elevation gain per loop, wooden bridges, and stream crossings

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

Certified one-mile loop of pavement and crushed gravel at Sussex County Fairgrounds; flat, fast and highly runnable for 50K to 100 miles.

1-mile loops with 300 feet gain on technical, rocky trails at South Mountain Reservation; steep Lenape climbs, switchback descents, 3 or 6 hour format

Self-supported 200-mile road race across New Jersey, from High Point to Cape May, with runner-created routes on pedestrian-open roads.

Counter-clockwise loop course with centralized aid station, personal pit areas near start, heated restrooms, and chip-timed lap tracking

Flat, paved loop at Hainesport Township Park with 12-hour, 24-hour, 48-hour relay, and 100-mile options; continuous counter-clockwise running

Scenic winery course with 24 hourly 5K loops, varied terrain from hard-packed dirt to sand and mud, winding through vineyard rows and around two lakes

Out-and-back ultramarathon with technical single track, horse trails, rocky midsection, creek crossings, nearly 3,000 feet of elevation, and scenic parkland

5.5-mile dirt loop with few roots, paced for lap consistency, beside Belleplain State Park with wooded South Jersey surroundings.

Continuous track participation in support of US military service members and Mission 22

South Mountain Reservation trails through scenic woods in West Orange, NJ, featuring a 50K route with challenging distance for runners and hikers

Seven loop course with rolling hills, open fields, and New Jersey farmland; over 32 miles on 95% trails and double track in Holmdel Park.