Trail Running calendar near Bridgewater 2025-2026

Seth’s Fat Ass 50K at Forest Park in Springfield on December 20 invites runners to tackle between one 5K loop and the full ten loop 50K in a festive, low key winter setting. Enjoy scenic roads and trails, event swag and a seven hour limit.

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 a friendly, informal 5 to 10k run or snowshoe on a roughly 10k course with loaner snowshoes available. Bring a spare pair to share, enjoy light refreshments, and team up for bragging rights and a shared baked treat.

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 Frozen Heart 900, a free grassroots winter loop in Rockfall CT where runners take on a 15 hour challenge around a 2.2 mile trail loop. Self supported format with a heated meeting room for warming, so bring headlamps and carpool.

Squatchy Onesiefest 5K at Ramapo Valley is a festive trail run with a handcrafted finisher medal and awards for onesie wearers. Limited to 200, the flat gravel loop welcomes road shoes and offers aid and parking.

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 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..

Run the Never Stop Running Foundation 4 Leaf Clover 5K at Bethpage State Park on March 8 2026 for a scenic trail 5K across grassy polo fields and winding soft trails. Family friendly with a kids run, virtual race and refreshments.

Run or walk a scenic two loop 5K through Osprey's Dominion vineyards, then toast with wine themed swag including a soft tee, collapsible wine glass and a finisher medal that doubles as a wine stopper. Family friendly and chip timed.

Test your trail skills on the Northern Nipmuck Trail Race, a rugged 16 mile out and back through Yale Myers Forest and Boston Hollow with technical terrain and serious climbing. Limited to 100 entrants, proceeds support local trails.

Tackle rugged singletrack and steep rock scrambles at the Sleeping Giant Trail Runs in Hamden CT on March 29, 2026. Choose a challenging 25K loop or a double 50K and enjoy aid stations, medals and post race food and drinks.

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.

Tackle technical, rugged trails and steep climbs at Big Bear Squatch North in Bear Mountain NY on April 4, 2026. Choose a challenging 10K or a grueling half marathon, with proceeds supporting the New York New Jersey Trail Conference.

Join the Bunny Trail 5K at Bethpage State Park for a family friendly run starting on a grassy polo field and winding onto scenic soft trails. In person and virtual entries plus a free kiddie run support the Never Stop Running Foundation.

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.