Trail Running Calendar New Jersey 2025-2026

Hit the trails at South Mountain Reservation on January 10, 2026 for NJ Trail Series SOMO Winter 3, with 5K, 10K and 13.1 mile looped courses over hills and single track. Aid stations, on site registration and a giveaway add winter race day..

Join the ninth annual Frosty Fat Sass at South Mountain Reservation, a fundraiser for the South Mountain Conservancy. Choose a 5K, timed 3 or 6 hour loop or rucking division on a rugged, rocky 5K trail.

Hit the trails at the YETI OR NOT Snowshoe Invasion at Mountain Creek on January 31, 2026. Ride the lift to the top for a scenic 5k or untimed last mile welcoming runners, walkers and first time snowshoers. Bring your own snowshoes.

Join the Morris County Empanada Trail on March 29 in Morris Plains NJ with 5K and 10K runs over scenic mixed terrain. Entry includes a long sleeve shirt, finisher medal and an empanada with proceeds benefiting the Arthritis Foundation.

Join the Squatchy Onesiefest 5K on Feb 14 in Mahwah NJ for a playful, flat 5K around Scarlet Oak Pond or a shorter fun run. Costume lovers earn awards for top finishers in onesies, with on trail aid and a cozy race village.

Join Febapple Frozen on Feb 21, 2026 in South Orange / Maplewood, NJ for a winter trail challenge on a 10 mile loop through South Mountain Reservation, with distances from 10 miles to 50 miles. Aid stations, official timing and event swag m..

Run four 5k trail races at Elephant Swamp Trail in Monroeville, NJ from Feb 22 to Mar 15, 2026. Series scoring, end of series awards and a finisher medal at each race plus hot chocolate and a discount for full series.

Run or hike rugged woodland trails at the Mahlon Winter Donut Trail Run and Hike, with 5 and 10 mile options around Saffin's Pond. Trail markers keep you on course and the event runs rain, snow, or shine for a true winter adventure.

Squatchapple puts scenic singletrack and carriage road loops in South Mountain Reservation to the test with distances from 11 miles to 50 miles. Support the South Mountain Conservancy and earn a handcrafted wood medal and race swag.

Tackle a scenic 34 mile out and back along New Jersey's Lenape Trail, from South Mountain Reservation through Newark and back, with skyline views and varied terrain. This self supported adventure asks runners to carry their own gear and nut..

Take on MT. TAMMANY 10, an almost 40 mile looped trail challenge in the Delaware Water Gap with ten summit climbs and more than 10,000 feet of elevation gain. Technical, rugged terrain and river crossings make for a bold, scenic test.

Terror of Tammany! on March 22, 2026 in Columbia, NJ is a rugged looped trail challenge with 30K (three 6.7 mile loops) and 50K+ (five loops). Expect technical climbs, a campground start and finish, strict time limits, and finisher awards.

Explore rugged North Jersey wilderness in The Fools Adventure, a 10 hour foot ROGAINE with over 100 checkpoints across scenic, rocky terrain. Test your map and compass skills as you navigate for the best route and enjoy big views.

Spring SOMO Timed Trail Races in South Orange this April on a 1.88 mile loop offer one loop or 1, 3 and 6 hour timed options. Expect single track, pavement and fire road through scenic South Mountain Reservation.

Run or walk the scenic Institute Woods 6K in Princeton on Saturday, April 11, 2026, starting at Princeton Friends School. Field capped at 200 and registration opens December 6; enjoy trails, refreshments after the run, and T shirts for earl..

Join the Screamin' Hill Scramble 5K at Screamin' Hill Brewery on April 18, 2026 for a chip timed cross country style run over groomed trails and short cut grass. Finishers earn a coaster medal and each entry includes a custom tech shirt plu..

Wawayanda Trail Fest brings spring trail running to Wawayanda State Park NJ with rhododendron tunnels, marsh bridges and scenic single track. Distances include a new 100K plus 50 mile, 50K and half marathon, with aid stations and on site ca..

Trails To the Sky at Voorhees State Park invites runners to tackle a scenic, hilly trail course with a UTMB index 50k and a shorter 10k option. Expect rugged singletrack, observatory views, friendly aid stations, and custom finisher medals.

C'mon Armageddon is a rugged trail race in Norvin Green State Park NJ offering 50K, 10M and 5M routes over boulder fields, river crossings and rocky peaks with skyline views. Big climbs and technical terrain make it a true test.

Join XTERRA's Transcend Trail Run at Dickerson Mine Preserve for fast, flowy lakeside singletrack and accessible routes for all abilities. Finish at Black River Barn with outdoor dining and beer on tap and choose from 21K, 10K or 5K.